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🌱 Life & Nature Study Notes

Animals, plants, and our bodies — answers and explanations for all 200 questions. Cover the answer, have a guess first, then check the explanation. Want to play it as a quiz? Try it at the Quiz Playground!

🐸 Q. What is a frog called when it's very young?

Options: Tadpole · Chick · Pupa · Caterpillar

Answer: Tadpole

A young frog is a 'tadpole' that lives in the water.

👂 Q. Which part of our body hears sound?

Options: Eyes · Nose · Ears · Mouth

Answer: Ears

We hear with our 'ears'.

🌱 Q. What does a plant really need to grow well?

Options: Toys · Sunlight and water · Snacks · Pebbles

Answer: Sunlight and water

Plants need sunlight and water to grow.

🦋 Q. After hatching from an egg, what does a future butterfly look like?

Options: Pupa · Caterpillar · Tadpole · Butterfly

Answer: Caterpillar

It grows in order: egg → caterpillar → pupa → butterfly.

🫁 Q. Which gas enters our body when we breathe in?

Options: Nitrogen · Oxygen · Hydrogen · Carbon dioxide

Answer: Oxygen

When you breathe in, 'oxygen' comes in.

❤️ Q. Which tireless organ pumps blood all through the body?

Options: Heart · Liver · Stomach · Lungs

Answer: Heart

The 'heart' pumps blood like a pump.

🌿 Q. What do we call it when a plant makes its own food from sunlight?

Options: Sterilizing · Digestion · Breathing · Photosynthesis

Answer: Photosynthesis

Making food in the leaves using sunlight is called 'photosynthesis'.

🌳 Q. Which gas do plants release into the air during photosynthesis?

Options: Nitrogen · Carbon dioxide · Hydrogen · Oxygen

Answer: Oxygen

Plants release 'oxygen' through photosynthesis.

🐜 Q. An insect's body has a head, a thorax, and what else?

Options: Abdomen · Wings · Tail · Legs

Answer: Abdomen

An insect's body has three parts: head, thorax, and abdomen.

🐸 Q. What do we call animals like frogs that live both in water and on land?

Options: Fish · Amphibians · Mammals · Reptiles

Answer: Amphibians

Animals that move between water and land are called 'amphibians'.

Q. What does the eye do for our body?

Options: Sees · Hears · Tastes · Smells

Answer: Sees

Eyes are the sense organ for seeing.

Q. Which body part smells things?

Options: Ears · Nose · Hands · Tongue

Answer: Nose

The nose! Tiny sensor cells high inside it catch smell molecules, and people can tell apart a huge number of smells.

Q. Which body part tastes things?

Options: Tongue · Ears · Nose · Eyes

Answer: Tongue

The tongue! Taste cells in its little bumps sense sweet, salty, sour, bitter, and savory.

Q. What hard things in your mouth break food into small pieces?

Options: Lips · Teeth · Tongue · Uvula

Answer: Teeth

We chew food with our teeth.

Q. Which organ in your chest lets air in and out as you breathe?

Options: Liver · Stomach · Heart · Lungs

Answer: Lungs

The lungs take in oxygen.

Q. Which organ digests the food you eat?

Options: Stomach · Brain · Heart · Lungs

Answer: Stomach

The stomach! Strong acid turns food into mush, and it doesn't digest itself because slippery mucus lines the inside.

Q. Which organ thinks and sends commands to the body?

Options: Stomach · Liver · Brain · Heart

Answer: Brain

The brain! It's only 2% of your weight but uses 20% of your energy — a big eater.

Q. What hard thing supports our body and gives it shape?

Options: Hair · Bones · Skin · Flesh

Answer: Bones

Bones! Adults have 206, but babies are born with over 300 that fuse together as they grow.

Q. What do we call the place where two bones meet and bend?

Options: Muscle · Blood vessel · Joint · Nerve

Answer: Joint

Knees and elbows are joints.

Q. What makes your body move by using force?

Options: Muscles · Bones · Nails · Skin

Answer: Muscles

Muscles move you by tightening and relaxing.

Q. What do we call the tubes that carry blood through the body?

Options: Blood vessels · Lymph · Nerves · Windpipe

Answer: Blood vessels

Blood vessels! Laid end to end, yours would wrap around the Earth more than twice.

Q. What red liquid comes out of a cut?

Options: Blood · Sweat · Saliva · Tears

Answer: Blood

Blood carries oxygen and nutrients.

Q. What comes out of your body to cool you down when it's hot?

Options: Snot · Saliva · Blood · Sweat

Answer: Sweat

Sweat cools you as it evaporates.

Q. How many teeth does an adult have in all?

Options: 50 · 10 · 32 · 20

Answer: 32

Counting wisdom teeth, it's 32.

Q. What do we call the teeth that grow in as a baby, fall out, and are replaced?

Options: Wisdom teeth · Canines · Molars · Baby teeth

Answer: Baby teeth

Baby teeth fall out and adult teeth grow in.

Q. What is the body's largest organ, covering the whole body?

Options: Stomach · Lungs · Heart · Skin

Answer: Skin

Skin is the biggest organ, protecting the body!

Q. Which part of the eye shrinks in bright light and grows in the dark?

Options: Eyebrow · Pupil · Eyelash · Tear gland

Answer: Pupil

The pupil! Like a camera's aperture, it controls how much light comes in — it even widens when you see something you love.

Q. Which long tube absorbs nutrients as food passes and digests through it?

Options: Kidney · Heart · Lungs · Small intestine

Answer: Small intestine

The small intestine absorbs nutrients.

Q. Which organ filters waste from the body and makes urine?

Options: Liver · Lungs · Heart · Kidney

Answer: Kidney

The kidneys clean your blood.

Q. What happens to your heart when you exercise?

Options: It stops · It beats faster · It slows down · No change

Answer: It beats faster

It beats faster to send more oxygen to the body.

Q. What do we call animals that give birth and feed their young milk?

Options: Mammals · Birds · Fish · Insects

Answer: Mammals

People, dogs, and whales are mammals.

Q. What are animals that lay eggs, have feathers, and mostly fly?

Options: Mammals · Birds · Amphibians · Reptiles

Answer: Birds

Sparrows and eagles are birds.

Q. What group breathes underwater using gills?

Options: Mammals · Birds · Insects · Fish

Answer: Fish

Fish belong to this group.

Q. What group has scales, like snakes, turtles, and lizards?

Options: Reptiles · Amphibians · Insects · Fish

Answer: Reptiles

Reptiles! Scales keep water in, and since they can't make their own heat, they bask in the sun to warm up.

Q. How many legs does an insect have?

Options: 6 · 8 · 4 · 10

Answer: 6

Insects have 6 legs.

Q. How many legs does a spider have?

Options: 8 · 10 · 4 · 6

Answer: 8

8 — that's why a spider isn't an insect!

Q. What is the correct order of a butterfly's life cycle?

Options: Egg → caterpillar → pupa → butterfly · Caterpillar → egg → butterfly · Egg → butterfly → caterpillar · Pupa → egg → butterfly

Answer: Egg → caterpillar → pupa → butterfly

It goes through complete metamorphosis!

Q. Which insect does NOT go through a pupa stage?

Options: Bee · Fly · Butterfly · Grasshopper

Answer: Grasshopper

Grasshoppers grow without a pupa (incomplete metamorphosis).

Q. What kind of animal is a bat?

Options: Insect · Mammal · Bird · Reptile

Answer: Mammal

Even though it flies, it feeds milk to its young — a mammal!

Q. What kind of animals are dolphins and whales?

Options: Mammals · Amphibians · Birds · Fish

Answer: Mammals

They live in water but feed milk to their young — mammals!

Q. Penguins can't fly, but which group do they belong to?

Options: Reptiles · Fish · Mammals · Birds

Answer: Birds

They have wings and lay eggs — they're birds.

Q. What do we call it when an animal stops activity and sleeps through winter?

Options: A nap · Hibernation · Migration · Summer rest

Answer: Hibernation

Bears and frogs hibernate in winter.

Q. What do we call birds that travel long distances with the seasons?

Options: Migratory birds · Water birds · Resident birds · Mountain birds

Answer: Migratory birds

Swallows and geese are migratory birds.

Q. What do we call birds that stay in one place all year?

Options: Water birds · Night birds · Migratory birds · Resident birds

Answer: Resident birds

Sparrows and magpies are resident birds.

Q. What do we call an animal that eats other animals?

Options: Decomposer · Carnivore · Omnivore · Herbivore

Answer: Carnivore

Lions and tigers are carnivores!

Q. What do we call an animal that eats only grass and leaves?

Options: Omnivore · Carnivore · Herbivore · Insect

Answer: Herbivore

Cows, rabbits, and giraffes are herbivores!

Q. What do we call an animal that eats both meat and plants?

Options: Carnivore · Omnivore · Predator · Herbivore

Answer: Omnivore

Bears, people, and pigs are omnivores.

Q. What do we call changing body color to blend in and hide?

Options: Rainbow color · Camouflage color · Warning color · Neon color

Answer: Camouflage color

A chameleon's camouflage!

Q. What do we call it when an animal hides its body to avoid enemies?

Options: Camouflage · Breeding · Hunting · Migration

Answer: Camouflage

Some insects disguise themselves as leaves.

Q. Where does an earthworm live, and what good does it do?

Options: Swims in water · Flies in the sky · Lives in trees · Enriches the soil underground

Answer: Enriches the soil underground

Earthworms keep the soil healthy!

Q. What does a honeybee help with as it moves flower to flower?

Options: Pollination · Molting · Hibernation · Photosynthesis

Answer: Pollination

It carries pollen so plants can make fruit!

Q. What are soft-bodied animals with no bones, like snails and clams?

Options: Mollusks · Fish · Insects · Mammals

Answer: Mollusks

Soft-bodied mollusks!

Q. What group of animals has a hard shell, like shrimp and crabs?

Options: Fish · Mollusks · Insects · Crustaceans

Answer: Crustaceans

Hard-shelled crustaceans!

Q. Which part of a plant absorbs water?

Options: Flower · Roots · Leaves · Fruit

Answer: Roots

The roots! They drink up water and nutrients while gripping the soil so it doesn't wash away in the rain.

Q. Which part of a plant makes food using sunlight?

Options: Roots · Leaves · Stem · Seeds

Answer: Leaves

The leaves! Using sunlight, water, and carbon dioxide, they make food AND give off the oxygen we breathe — little green factories.

Q. Which part supports a plant and carries water?

Options: Seeds · Stem · Fruit · Flower

Answer: Stem

The stem holds the plant up and moves water and nutrients.

Q. Which part blooms to make seeds?

Options: Flower · Leaves · Roots · Stem

Answer: Flower

The flower! Its scent and color call bees and butterflies to carry pollen — and only then do fruit and seeds form.

Q. Which is NOT needed for photosynthesis?

Options: Sunlight · Carbon dioxide · Soil color · Water

Answer: Soil color

Light, water, and carbon dioxide are needed. Soil color doesn't matter!

Q. Which gas do plants take in during photosynthesis?

Options: Oxygen · Nitrogen · Carbon dioxide · Hydrogen

Answer: Carbon dioxide

Carbon dioxide! Plants breathe in the CO2 we breathe out and give us oxygen — we share each other's breath.

Q. Which pigment makes leaves look green?

Options: Ink · Paint · Chlorophyll · Honey

Answer: Chlorophyll

Chlorophyll captures sunlight to make food.

Q. Which is NOT a way seeds spread?

Options: Floating on water · Sent by phone · Flying on the wind · Sticking to animal fur

Answer: Sent by phone

Dandelions ride the wind; burrs cling to fur!

Q. How do dandelion seeds travel far?

Options: Eaten by animals · Flying on the wind · Floating on water · Bursting on their own

Answer: Flying on the wind

On fluffy little parachutes!

Q. What is most connected to new sprouts appearing in spring?

Options: Dark nights · Cold snow · Dry soil · Warm weather and sunshine

Answer: Warm weather and sunshine

Sprouts appear when it warms up.

Q. What do we call leaves turning red or yellow in autumn?

Options: Blossoms · Sprouts · Fall foliage · Fallen leaves

Answer: Fall foliage

Autumn foliage is beautiful!

Q. What round pattern inside a tree trunk tells its age?

Options: Growth rings · Branches · Leaf veins · Knots

Answer: Growth rings

Growth rings! Wood grows fast and light in spring/summer, slow and dark in fall/winter — one ring per year.

Q. What do we call a plant like beans that grows, fruits, and withers in one year?

Options: Water plant · Annual plant · Perennial plant · Evergreen

Answer: Annual plant

An annual lives just one year!

Q. What do we call trees like pines that stay green even in winter?

Options: Evergreens · Water plants · Deciduous trees · Annual plants

Answer: Evergreens

Evergreens stay green all year!

Q. Why does a cactus survive well in the desert?

Options: It stores water in its body · Its leaves are huge · It doesn't need water · It hates sunlight

Answer: It stores water in its body

It stores water in its plump body!

Q. Do plants breathe like people?

Options: No, they don't · Yes, they breathe

Answer: Yes, they breathe

Plants breathe too!

Q. Is a mushroom a plant or not?

Options: It's a plant · It's not a plant (it's a fungus)

Answer: It's not a plant (it's a fungus)

Mushrooms are fungi that can't make their own food.

Q. What do we call a chain of who-eats-whom?

Options: A daily schedule · A food chain · A friendship · A family tree

Answer: A food chain

Grass → rabbit → fox, linked together!

Q. In 'grass → grasshopper → frog → snake', what is the grass's role?

Options: No role · A decomposer of dead things · A producer that makes its own food · A consumer that eats others

Answer: A producer that makes its own food

Plants are producers!

Q. What breaks down dead creatures and droppings?

Options: Rabbit · Eagle · Mold and bacteria (decomposers) · Lion

Answer: Mold and bacteria (decomposers)

Decomposers keep nature clean.

Q. What do we call the air, water, and sunlight that living things need, all together?

Options: Friends · Food · The environment · A house

Answer: The environment

The environment surrounds living things.

Q. What is a polar bear's white fur most connected to?

Options: Being pretty · Not being warm · Hiding well on the snow · Liking water

Answer: Hiding well on the snow

Camouflage that fits its environment!

Q. What is the job of the hump on a camel's back?

Options: Stores nutrients (fat) · Breathes · Makes sound · Holds water

Answer: Stores nutrients (fat)

It stores fat to survive the desert!

Q. Which is NOT a reason living things can survive on Earth?

Options: A day is 24 hours long · There is air · There is water · The temperature is right

Answer: A day is 24 hours long

Air, water, and temperature are the conditions for life!

Q. What pollutes the environment and harms living things?

Options: Clean air · Trash and exhaust fumes · Clean water · Forests

Answer: Trash and exhaust fumes

Cutting pollution protects nature!

Q. What do we call animals and plants in danger of disappearing?

Options: Insects · Livestock · Pets · Endangered species

Answer: Endangered species

Pandas and tigers need protection.

Q. Which is NOT a good thing forests give us?

Options: Exhaust fumes · Shade · Clean air · Homes for animals

Answer: Exhaust fumes

Forests give oxygen and cut pollution!

Q. Which is NOT something all living things share?

Options: They breathe · They leave offspring · They run on electricity · They grow

Answer: They run on electricity

Living things breathe, grow, and reproduce. Electricity is for machines!

Q. Which of these is alive?

Options: A rock · A puppy · A toy robot · A pencil

Answer: A puppy

A puppy! Living things grow, breathe, and have young — rocks and dolls can't.

Q. What do we call it when living things grow and leave offspring like themselves?

Options: Reproduction · Digestion · Movement · Breathing

Answer: Reproduction

Reproduction keeps life going!

Q. What do we call a big change in form, like a tadpole becoming a frog?

Options: Hibernation · Metamorphosis · Stopped growth · Migration

Answer: Metamorphosis

Tadpole → frog metamorphosis!

Q. Why does a hen keep her eggs warm?

Options: She's bored · The eggs are pretty · To eat them · To hatch them into chicks

Answer: To hatch them into chicks

Warmth helps the chick inside grow!

Q. Which is NOT needed for a seed to sprout?

Options: The right temperature · Sound · Air · Water

Answer: Sound

Water, warmth, and air are needed. Sound doesn't matter!

Q. What is the correct order of how a person grows?

Options: Child → baby → adult · Adult → baby → child · Baby → child → adult → elder · Elder → adult → baby

Answer: Baby → child → adult → elder

That's the order of a life cycle!

Q. Why do animals care for their young?

Options: Only to feed them · Because it's annoying · For no reason · So they grow up safely

Answer: So they grow up safely

To protect their young and help them survive.

Q. Are bacteria living things?

Options: Yes, they're tiny living things · No, they're just matter

Answer: Yes, they're tiny living things

Too small to see, but alive!

Q. What do we call tiny living things you can only see with a microscope?

Options: Microbes · Minerals · Plants · Giant creatures

Answer: Microbes

Microbes like bacteria and mold!

Q. What is the best way to prevent cavities?

Options: Don't drink water · Brush your teeth well · Eat lots of sweets · Never brush

Answer: Brush your teeth well

Brushing after meals is best!

Q. What's a good thing to do when you catch a cold?

Options: Rest well and drink water · Don't sleep · Run around outside · Play in cold water

Answer: Rest well and drink water

Rest and fluids help you recover.

Q. Which is NOT a nutrient our body needs?

Options: Protein · Vitamins · Carbohydrates · Plastic

Answer: Plastic

Rice, meat, and fruit have nutrients. Plastic doesn't count!

Q. What is good for making muscles and bones strong?

Options: Not moving · Sleeping late · Only gaming · Exercise and eating a balanced diet

Answer: Exercise and eating a balanced diet

Exercise and nutrition make your body strong!

Q. Which is NOT one of the five senses?

Options: Smell · Thinking · Sight · Hearing

Answer: Thinking

Sight, hearing, smell, taste, and touch are the five senses!

Q. Which sense feels hot and cold with your hands?

Options: Hearing · Sight · Taste · Touch

Answer: Touch

Touch, felt through the skin!

Q. Besides hearing sound, what else do ears help with?

Options: Keeping your balance · Smelling · Breathing · Tasting

Answer: Keeping your balance

Organs inside your ear help you balance!

Q. Why is sleeping at night good for your body?

Options: You get hungry · You get shorter · Your body and brain rest and grow · No reason

Answer: Your body and brain rest and grow

Your body repairs and grows while you sleep!

Q. What's the benefit of washing your hands often?

Options: You grow taller · It removes germs and prevents illness · Your hands get bigger · You get stronger

Answer: It removes germs and prevents illness

Handwashing stops infection!

Q. What do we call the body's power to fight off germs?

Options: Immunity · Magnetism · Friction · Gravity

Answer: Immunity

Immunity! White blood cells fight germs — sleep well, eat right, and move a lot to make it stronger.

Photo of Tadpole

Q. What is this stage called, swimming in water before becoming a frog?

Options: Tadpole · Newt · Frog eggs · Toad

Answer: Tadpole

A tadpole breathes with gills, then grows legs and becomes a frog.

Photo of Frog eggs

Q. What is this jelly-like clump in the water?

Options: Toad · Newt · Frog eggs · Axolotl

Answer: Frog eggs

Frogs lay eggs in water. Tadpoles hatch from them.

Photo of Frog

Q. What is this animal that lives both in water and on land?

Options: Frog · Axolotl · Toad · Tadpole

Answer: Frog

A frog is an amphibian — living in water when young, then on land and water.

Photo of Salamander

Q. What is this long-tailed amphibian?

Options: Tadpole · Axolotl · Salamander · Frog eggs

Answer: Salamander

A salamander is an amphibian like a frog, but keeps its tail as an adult.

Photo of Newt

Q. What is this water-dwelling amphibian that looks like a salamander?

Options: Frog eggs · Tadpole · Newt · Axolotl

Answer: Newt

A newt is a kind of salamander, often with a colorful belly.

Photo of Axolotl

Q. What is this curious amphibian with gills on the sides of its head?

Options: Frog · Newt · Toad · Axolotl

Answer: Axolotl

The axolotl keeps its gills even as an adult and lives underwater.

Photo of Ant

Q. What is this insect that builds a home underground and lives in groups?

Options: Butterfly · Moth · Ant · Ladybug

Answer: Ant

Ants live together with a queen and countless worker ants.

Photo of An anthill

Q. What is this mound-shaped home that ants pile up from soil?

Options: A dirt pile · An anthill · A mole burrow · A beehive

Answer: An anthill

Ants dig tunnels underground and pile the dug-up soil into an anthill.

Photo of Honeybee

Q. What is this insect gathering nectar from flowers?

Options: Butterfly · Honeybee · Moth · Firefly

Answer: Honeybee

Honeybees carry pollen and store nectar as honey in the hive.

Photo of Grasshopper

Q. What is this insect with long back legs that hops around?

Options: Ladybug · Dragonfly · Ant · Grasshopper

Answer: Grasshopper

A grasshopper leaps far with its strong back legs.

Photo of Praying mantis

Q. What insect raises its front legs like scythes to hunt prey?

Options: Grasshopper · Honeybee · Praying mantis · Moth

Answer: Praying mantis

The mantis catches other bugs with its saw-toothed front legs.

Photo of Cicada

Q. What is this insect that buzzes in the trees in summer?

Options: Honeybee · Ant · Cicada · Stag beetle

Answer: Cicada

A cicada lives underground as a larva for years, then sings in summer.

Photo of Dragonfly

Q. What is this insect that flies with four clear wings?

Options: Dragonfly · Ant · Firefly · Butterfly

Answer: Dragonfly

A dragonfly has four wings, and its young (nymph) lives in water.

Photo of Firefly

Q. What is this insect that glows from its tail at night?

Options: Firefly · Dragonfly · Moth · Stag beetle

Answer: Firefly

A firefly makes its own light from its abdomen to send signals.

Photo of Beetles

Q. What group of insects has hard outer wings like this?

Options: Beetles · Cicadas · Stag beetles · Ants

Answer: Beetles

A beetle's front wings turn into a hard shell that protects its body.

Photo of Stag beetle

Q. What is this insect with big jaws shaped like antlers?

Options: Firefly · Ladybug · Grasshopper · Stag beetle

Answer: Stag beetle

Male stag beetles wrestle with their big jaws.

Photo of Ladybug

Q. What is this insect, red with black spots?

Options: Ladybug · Firefly · Ant · Stag beetle

Answer: Ladybug

Ladybugs help farms by eating aphids.

Photo of Caterpillar

Q. Before becoming a butterfly, what is this leaf-munching form?

Options: Caterpillar · Egg · Cocoon · Ladybug larva

Answer: Caterpillar

A caterpillar is the form before a butterfly or moth, eating leaves to grow.

Photo of Pupa

Q. What is this stage where a caterpillar transforms into a butterfly?

Options: Pupa · Egg · Caterpillar · Ladybug larva

Answer: Pupa

The caterpillar becomes a pupa and changes into a butterfly inside.

Photo of Cocoon

Q. What is this white house a silkworm spins from thread?

Options: Caterpillar · Egg · Cocoon · Cicada shell

Answer: Cocoon

A silkworm spins a cocoon and becomes a pupa inside. That thread is silk.

Photo of Cicada shell

Q. What is this shell a cicada left behind?

Options: Cicada shell · Caterpillar · Egg · Dragonfly nymph

Answer: Cicada shell

A cicada splits its back and climbs out as an adult, leaving the shell.

Photo of Dragonfly nymph

Q. What is this young form of a dragonfly that lives in water?

Options: Dragonfly nymph · Cicada shell · Ladybug larva · Egg

Answer: Dragonfly nymph

A dragonfly nymph lives in water, then climbs out to become a dragonfly.

Photo of Ladybug larva

Q. What is this young ladybug, so different from the adult?

Options: Dragonfly nymph · Caterpillar · Cicada shell · Ladybug larva

Answer: Ladybug larva

A ladybug larva also eats aphids like the adult.

Photo of Spider

Q. What animal has eight legs and spins a web?

Options: Earthworm · Millipede · Spider · Slug

Answer: Spider

A spider isn't an insect — it's an arachnid with eight legs.

Photo of Centipede

Q. What animal has many body segments and lots of legs?

Options: Slug · Centipede · Earthworm · Snail

Answer: Centipede

A centipede has a pair of legs on each segment, so it has a great many legs.

Photo of Pill bug

Q. What small animal rolls into a ball when touched?

Options: Slug · Pill bug · Spider · Millipede

Answer: Pill bug

A pill bug rolls into a ball to protect itself when it feels danger.

Photo of Snail

Q. What animal carries a shell on its back and crawls slowly?

Options: Millipede · Snail · Pill bug · Spider

Answer: Snail

A snail carries a spiral shell and slides along on a trail of slime.

Photo of Slug

Q. What animal is like a snail but has no shell?

Options: Millipede · Slug · Snail · Earthworm

Answer: Slug

A slug is a cousin of the snail without a shell.

Photo of Earthworm

Q. What animal lives in the soil and makes the ground fertile?

Options: Earthworm · Spider · Centipede · Pill bug

Answer: Earthworm

An earthworm eats soil and makes the ground soft and rich as it goes.

Photo of Root

Q. Which part of a plant absorbs water and nutrients from underground?

Options: Tendril · Leaf vein · Root · Bean sprout

Answer: Root

Roots hold the plant firmly in the ground and drink up water and nutrients.

Photo of Leaf

Q. Which part of a plant makes food using sunlight?

Options: Root · Stem · Leaf · Flower bud

Answer: Leaf

The leaf makes food through photosynthesis using sunlight.

Photo of Leaf veins

Q. What is this net-like pattern spreading through a leaf?

Options: Leaf veins · Cotyledon · Growth ring · Seed

Answer: Leaf veins

Leaf veins are the paths inside a leaf where water and nutrients travel.

Photo of Seed

Q. What is this, from which a new plant grows when you plant it?

Options: Cotyledon · Sprout · Seed · Leaf vein

Answer: Seed

A seed holds the tiny sprout that becomes a new plant, plus its food.

Photo of Cotyledon

Q. What is this first leaf to appear when a seed sprouts?

Options: Flower bud · Fruit · Bark · Cotyledon

Answer: Cotyledon

The cotyledon holds the seed's food and is the first to appear when sprouting.

Photo of Flower bud

Q. What is this flower that is still closed and not yet open?

Options: Cotyledon · Flower bud · Leaf vein · Bean sprout

Answer: Flower bud

A flower bud is a flower not yet open. It will bloom soon.

Photo of Growth rings

Q. What is this round pattern you see when a tree is cut?

Options: Growth rings · Bean sprout · Cotyledon · Stem

Answer: Growth rings

One growth ring forms each year, so counting them tells the tree's age.

Photo of Bark

Q. What is this outer covering that wraps and protects a tree trunk?

Options: Bark · Leaf · Sprout · Bean sprout

Answer: Bark

Bark protects the inside of a tree from cold and insects.

Photo of Thorn

Q. What is this pointy thing on a rose stem that protects it?

Options: Thorn · Onion · Seed · Growth ring

Answer: Thorn

Thorns protect a plant so animals can't easily eat it.

Photo of Tendril

Q. What is this part that coils around objects to climb them?

Options: Tendril · Growth ring · Flower bud · Bean sprout

Answer: Tendril

A tendril is a modified stem that finds things to grab and hold.

Photo of Bean sprouts

Q. What is this, grown by sprouting beans in a dark place?

Options: Bean sprouts · Fruit · Seed · Growth ring

Answer: Bean sprouts

Bean sprouts grow from beans and are a vegetable we love to eat.

Photo of Sprout (seedling)

Q. What do we call a young plant that has just sprouted from a seed?

Options: Leaf · Leaf vein · Bean sprout · Sprout (seedling)

Answer: Sprout (seedling)

A seedling is a young plant freshly grown from a seed.

Photo of Onion

Q. What is this vegetable with layered leaves growing underground?

Options: Onion · Growth ring · Bean sprout · Leaf

Answer: Onion

An onion is a bulb of many layered leaves storing nutrients.

Photo of Sprouting

Q. What do we call the process of roots and a sprout emerging from a seed?

Options: Sprouting · Cotyledon · Flower bud · Root

Answer: Sprouting

A seed sprouting with water and warmth is called germination (sprouting).

Photo of Acorn

Q. What is this fruit from an oak tree that squirrels love?

Options: Ginkgo nut · Chestnut · Maple seed · Acorn

Answer: Acorn

An acorn is the fruit of the oak, loved by squirrels and wild boars.

Photo of Pinecone

Q. What is this brown fruit that grows on a pine tree?

Options: Ginkgo nut · Maple seed · Acorn · Pinecone

Answer: Pinecone

A pinecone is the fruit of the pine, with seeds tucked between its scales.

Photo of Dandelion seed

Q. What is this white seed that floats away on the wind?

Options: Acorn · Chestnut · Dandelion seed · Maple seed

Answer: Dandelion seed

A dandelion seed has parachute-like fluff to float far on the wind.

Photo of Mushroom

Q. What is this fungus that grows in damp places?

Options: Fly agaric · Lichen · Moss · Mushroom

Answer: Mushroom

A mushroom is a fungus — not plant or animal — growing on dead wood or soil.

Photo of Mushroom gills

Q. What are these close-packed folds under a mushroom's cap?

Options: Coral · Mushroom gills · Moss · Fern

Answer: Mushroom gills

Spores form in the gills under a mushroom's cap and spread out.

Photo of Fly agaric

Q. What is this mushroom, red with white spots?

Options: Puffball · Mold · Moss · Fly agaric

Answer: Fly agaric

The fly agaric is pretty but poisonous — never eat it.

Photo of Puffball

Q. What round mushroom puffs out spores like smoke when touched?

Options: Puffball · Fly agaric · Moss · Pine mushroom

Answer: Puffball

A puffball pops when ripe, puffing out spores like smoke.

Photo of Reishi (bracket fungus)

Q. What is this mushroom that grows on a tree trunk like a shelf?

Options: Shiitake mushroom · Reishi (bracket fungus) · Moss · Mold

Answer: Reishi (bracket fungus)

Shelf fungi like reishi grow by breaking down dead wood.

Photo of Mold

Q. What is this fungus that grows on old food?

Options: Mold · Fly agaric · Fern · Mushroom

Answer: Mold

Mold is a fungus that grows on damp, old food.

Photo of Lichen

Q. What is this, a fungus and alga living together on rocks and trees?

Options: Lichen · Mold · Alga · Fern

Answer: Lichen

A lichen is a fungus and alga living together, and it can even live on bare rock.

Photo of Moss

Q. What plant covers damp ground and rocks in green?

Options: Mold · Lichen · Moss · Mushroom

Answer: Moss

Moss is a small plant with no clear roots that grows in damp places.

Photo of Fern

Q. What plant reproduces by spores instead of flowers?

Options: Mold · Moss · Lichen · Fern

Answer: Fern

A fern reproduces with spores instead of flowers and seeds.

Photo of Algae

Q. What is this green thing floating on a pond? (Same group as laver and kelp)

Options: Moss · Mushroom · Mold · Algae

Answer: Algae

Algae photosynthesize in water — laver and kelp are algae too.

Photo of Cactus

Q. What desert plant is covered in spines and stores lots of water?

Options: Sunflower · Cactus · Venus flytrap · Water lily

Answer: Cactus

A cactus has spines instead of leaves and stores water in its stem.

Photo of Venus flytrap

Q. What plant snaps its leaves shut to trap and eat bugs?

Options: Bamboo · Clover · Venus flytrap · Mistletoe

Answer: Venus flytrap

A Venus flytrap shuts its leaves like a trap to catch bugs for nutrients.

Photo of Sunflower

Q. What big yellow flower turns to follow the sun?

Options: Pine · Sunflower · Bamboo · Water lily

Answer: Sunflower

A young sunflower turns to follow the sun and makes lots of seeds.

Photo of Bamboo

Q. What plant is hollow, has joints, and grows straight and tall?

Options: Mistletoe · Bamboo · Venus flytrap · Dandelion

Answer: Bamboo

Bamboo is a grass, but it grows very fast and very straight.

Photo of Clover

Q. What plant has three leaves, and sometimes four?

Options: Mangrove · Cactus · Clover · Sunflower

Answer: Clover

Clover usually has three leaves; a four-leaf clover is a symbol of luck.

Photo of Water lily

Q. What plant floats its leaves and flowers on a pond?

Options: Pine · Mangrove · Water lily · Mistletoe

Answer: Water lily

A water lily's roots are in the pond bottom, with leaves and flowers floating on top.

Photo of Mistletoe

Q. What green plant lives attached to other trees?

Options: Mistletoe · Sunflower · Venus flytrap · Water lily

Answer: Mistletoe

Mistletoe roots into other trees and takes nutrients from them.

Photo of Mangrove

Q. What tree grows on the seaside mudflats with its roots showing?

Options: Mangrove · Bamboo · Mistletoe · Sunflower

Answer: Mangrove

A mangrove is a special tree that grows near salty seawater, spreading its roots.

Photo of Bird nest

Q. What home did a bird build to lay eggs and raise chicks?

Options: Bird nest · Anthill · Beehive · Spider web

Answer: Bird nest

Birds weave twigs and grass into a nest and sit on their eggs.

Photo of Bird eggs

Q. What are these blue things in the bird's nest?

Options: Seeds · Pebbles · Frog eggs · Bird eggs

Answer: Bird eggs

Birds lay eggs in the nest and keep them warm to hatch chicks.

Photo of Spider web

Q. What web did a spider spin to catch prey?

Options: Beehive · Anthill · Bird nest · Spider web

Answer: Spider web

A spider spins a sticky web to catch flying bugs.

Photo of Honeycomb

Q. What home did honeybees build out of hexagons?

Options: Bee box · Spider web · Honeycomb · Anthill

Answer: Honeycomb

A honeycomb of tight hexagons is strong and uses space wisely.

Photo of Beehive box

Q. What box did people make to raise honeybees?

Options: Spider web · Beehive box · Anthill · Bird nest

Answer: Beehive box

Beekeepers raise honeybees in a hive box to collect honey.

Photo of Feathers

Q. What covers a bird's body to keep it warm and help it fly?

Options: Hooves · Tusks · Feathers · Scales

Answer: Feathers

Feathers protect and warm a bird's body and help it fly.

Photo of Antlers

Q. What grows like tree branches on a male deer's head?

Options: Horns · Antlers · Conch shell · Hooves

Answer: Antlers

Antlers grow, fall off, and grow again every year.

Photo of Horns

Q. What grows on the head of cows, goats, and antelope and lasts a lifetime?

Options: Pearl · Horns · Scales · Tusks

Answer: Horns

Unlike antlers, horns don't fall off — they grow a little all through life.

Photo of Snake skin (shed)

Q. What is this skin a snake left behind?

Options: Snake skin (shed) · Feathers · Bark · Scales

Answer: Snake skin (shed)

As a snake grows, it sheds its old skin.

Photo of Conch shell

Q. What is this spiral shell you can find at the beach?

Options: Conch shell · Clam shell · Coral · Fossil

Answer: Conch shell

Shellfish like conches protect their soft bodies with hard shells.

Photo of Pearl

Q. What is this shiny bead that forms inside a clam?

Options: Clam shell · Pearl · Marble · Crystal

Answer: Pearl

A pearl forms as a clam coats a bit of grit that got inside it.

Photo of Coral

Q. What sea creature grows like tree branches underwater?

Options: Starfish · Kelp · Coral · Seahorse

Answer: Coral

Coral is made of tiny animals living together, leaving behind a hard skeleton.

Photo of Coral reef

Q. What underwater landform is built up over time from coral?

Options: Shrimp · Crab · Clam · Coral reef

Answer: Coral reef

A coral reef is an underwater forest of countless corals, home to many creatures.

Photo of Starfish

Q. What star-shaped sea animal has five arms?

Options: Starfish · Coral reef · Kelp · Clam

Answer: Starfish

A starfish usually has five arms, and can regrow an arm that's cut off.

Photo of Jellyfish

Q. What sea animal drifts with a see-through body?

Options: Shrimp · Coral · Jellyfish · Seahorse

Answer: Jellyfish

A jellyfish drifts in the sea with its soft, boneless body.

Photo of Seahorse

Q. What sea animal looks like a horse, where the male carries the young?

Options: Squid · Starfish · Seahorse · Coral

Answer: Seahorse

A seahorse is a fish, and the male carries the eggs in a pouch.

Photo of Octopus

Q. What sea animal has eight arms and squirts ink?

Options: Coral reef · Jellyfish · Shrimp · Octopus

Answer: Octopus

An octopus has eight arms and squirts ink to escape danger.

Photo of Crab

Q. What sea animal walks sideways and has claws?

Options: Crab · Starfish · Clam · Seahorse

Answer: Crab

A crab has a hard shell and claws and walks sideways.

Photo of Shrimp

Q. What sea animal has a curved back and long feelers?

Options: Crab · Jellyfish · Starfish · Shrimp

Answer: Shrimp

A shrimp is a crustacean with a segmented body and long feelers.

Photo of Kelp

Q. What seaweed grows in the sea and is cooked into soup?

Options: Laver · Moss · Algae · Kelp

Answer: Kelp

Kelp is a seaweed we enjoy in soup.

Photo of Chick

Q. What is this yellow baby just hatched from a chicken's egg?

Options: Woodpecker · Eagle · Chick · Hummingbird

Answer: Chick

A chick is a baby chicken that hatches from an egg and peeps.

Photo of Owl

Q. What bird is active at night and has big eyes?

Options: Chick · Sparrow · Eagle · Owl

Answer: Owl

An owl hunts at night and can turn its head far around.

Photo of Woodpecker

Q. What bird taps holes in trees with its beak?

Options: Owl · Peacock · Woodpecker · Hummingbird

Answer: Woodpecker

A woodpecker pecks trees with its hard beak to catch bugs and make nests.

Photo of Hummingbird

Q. What tiny bird beats its wings fast to hover and drink nectar?

Options: Eagle · Hummingbird · Sparrow · Chick

Answer: Hummingbird

A hummingbird beats its wings so fast it can hover in place.

Photo of Peacock

Q. What bird spreads its colorful tail feathers like a fan?

Options: Hummingbird · Peacock · Penguin · Chick

Answer: Peacock

A male peacock spreads its beautiful tail feathers to show off.

Photo of Penguin

Q. What bird can't fly but swims very well?

Options: Penguin · Hummingbird · Woodpecker · Chick

Answer: Penguin

A penguin swims underwater with its wings and lives in groups in cold places.

Photo of Turtle

Q. What animal carries a hard shell on its back?

Options: Lizard · Turtle · Snake · Crocodile

Answer: Turtle

A turtle hides its body inside its shell for protection.

Photo of Lizard

Q. What reptile has a long body and a tail?

Options: Lizard · Iguana · Turtle · Gecko

Answer: Lizard

A lizard can even drop its tail to escape danger.

Photo of Gecko

Q. What reptile sticks to walls and glass with its feet?

Options: Snake · Chameleon · Lizard · Gecko

Answer: Gecko

A gecko's tiny foot hairs let it stick to walls with ease.

Photo of Chameleon

Q. What reptile changes color and moves its eyes separately?

Options: Gecko · Chameleon · Iguana · Lizard

Answer: Chameleon

A chameleon changes color to match its surroundings and catches bugs with its long tongue.

Photo of Bat

Q. What is the only mammal that flies with wings?

Options: Bat · Bird · Mouse · Flying squirrel

Answer: Bat

A bat isn't a bird — it's a mammal that feeds milk to its young and can fly.

Photo of Teeth

Q. What hard things in your mouth chew food into small pieces?

Options: Brain · Teeth · Blood vessels · Fingerprint

Answer: Teeth

Teeth chew food small so it digests well.

Photo of Skeleton (bones)

Q. What hard frame supports our body and gives it shape?

Options: Blood vessels · Skeleton (bones) · Joints · Muscles

Answer: Skeleton (bones)

The skeleton supports the body and protects vital parts like the heart and brain.

Photo of An X-ray

Q. What is this photo taken to see the bones inside the body?

Options: An X-ray machine · An ultrasound · An X-ray · A fossil

Answer: An X-ray

X-rays use light that passes through the body to show bones inside.

Photo of Fingerprint

Q. What pattern on your fingertips is different for every person?

Options: A pattern · Fingerprint · Palm lines · A stain

Answer: Fingerprint

Everyone's fingerprints are different, so they're used to tell who's who.

Photo of Eyes (iris)

Q. Which part of the body takes in light so we can see?

Options: Mouth · Pupil · Ears · Eyes (iris)

Answer: Eyes (iris)

The eyes take in light so we can see. The black center is the pupil.

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