Easy Science Quiz Questions for Kids (with Answers)
Use this printable quiz list for classroom warm-ups, car trips, or revision. Tap any question to reveal the answer and a short explanation — then play the full science quiz online with hints and stars.
Questions & answers
Tap a question to reveal the answer. 35 questions below.
1. What is the Sun?Show answer
- A planet
- A star — correct
- A moon
- A comet
The Sun is a star — a giant ball of hot gas that gives us light and heat!
☀️ The Sun is so big that more than one million Earths could fit inside it!
2. At what temperature does water freeze?Show answer
- 0°C — correct
- 10°C
- 32°C
- 100°C
Water freezes into ice at 0°C — that is when liquid water turns solid!
🧊 Ice floats on water because solid ice is less dense than liquid water!
3. Which organ pumps blood around your body?Show answer
- Brain
- Lungs
- Heart — correct
- Stomach
Your heart is a muscle that pumps blood to every part of your body!
💓 Your heart beats about 100,000 times every single day!
4. What sweet food do bees make?Show answer
- Jam
- Honey — correct
- Sugar
- Syrup
Bees turn flower nectar into honey and store it in their hive!
🐝 A single bee visits up to 5,000 flowers in one day!
5. How many moons does Earth have?Show answer
- None
- One — correct
- Two
- Three
Earth has one moon — it orbits around us and lights up the night sky!
🌙 The Moon is slowly moving away from Earth — about 3 cm every year!
6. What do plants need from the Sun?Show answer
- Wind
- Light — correct
- Rain
- Snow
Plants need sunlight to make food through a process called photosynthesis!
🌱 Some plants can grow in just a few hours of sunlight each day!
7. Fish live in water.Show answer
Answer: True
Fish live in water and breathe using gills that take oxygen from the water!
🐟 Some fish can change colour to blend in with their surroundings!
8. What holds your body together and gives you shape?Show answer
- Muscles
- Skin
- Skeleton — correct
- Blood
Your skeleton is made of bones that support your body and protect organs!
🦴 Babies are born with about 270 bones — some fuse together as they grow!
9. How many colours are in a rainbow?Show answer
- Five
- Six
- Seven — correct
- Eight
A rainbow has seven colours: red, orange, yellow, green, blue, indigo and violet!
🌈 You can never reach the end of a rainbow — it moves as you move!
10. What do magnets pull towards them?Show answer
- Wood
- Plastic
- Metal — correct
- Glass
Magnets attract metals like iron and steel — that is why they stick to fridges!
🧲 Earth itself is a giant magnet — that is why compass needles point north!
11. Which animal says "moo"?Show answer
- Sheep
- Cow — correct
- Pig
- Horse
Cows say "moo" — they are farm animals that give us milk!
🐄 Cows have best friends and get stressed when separated from them!
12. Birds have feathers.Show answer
Answer: True
All birds have feathers — they use them for flying, warmth and showing off!
🪶 The smallest bird, the bee hummingbird, has feathers smaller than your fingernail!
13. Which planet do we live on?Show answer
- Mars
- Venus
- Earth — correct
- Jupiter
We live on Earth — the only planet known to have life!
🌍 Earth spins at about 1,670 km per hour — but you cannot feel it!
14. What gas do we breathe in to stay alive?Show answer
- Carbon dioxide
- Oxygen — correct
- Nitrogen
- Helium
We breathe in oxygen — our bodies need it to make energy!
🌬️ A resting person breathes about 12 to 20 times every minute!
15. What falls from clouds when it rains?Show answer
- Sand
- Water — correct
- Snow only
- Leaves
Rain is water that falls from clouds when droplets get heavy enough!
💧 A raindrop falls at about 30 km per hour — but it starts as a tiny cloud droplet!
16. Cats are mammals.Show answer
Answer: True
Cats are mammals — like dogs and humans, they have fur and feed their young milk!
🐱 A cat's purr vibrates at 25 to 150 times per second!
17. Which body part helps you see?Show answer
- Ears
- Eyes — correct
- Nose
- Tongue
Your eyes detect light and send signals to your brain so you can see!
👁️ Your eyes can distinguish about 10 million different colours!
18. Which season comes after winter?Show answer
- Summer
- Autumn
- Spring — correct
- Winter again
Spring comes after winter — days get warmer and plants start growing!
🌸 Some flowers can "hear" bees buzzing and make sweeter nectar to attract them!
19. What do caterpillars turn into?Show answer
- Beetles
- Butterflies — correct
- Bees
- Dragonflies
Caterpillars transform into butterflies through a process called metamorphosis!
🦋 Butterflies taste with their feet — they land on flowers to check if they are good to eat!
20. Is ice a solid or a liquid?Show answer
- Solid — correct
- Liquid
- Gas
- Plasma
Ice is solid water — it keeps its shape because the molecules are locked in place!
🧊 Hot water can sometimes freeze faster than cold water — scientists call this the Mpemba effect!
21. Which star is closest to Earth?Show answer
- The Sun — correct
- The Moon
- Sirius
- Polaris
The Sun is our closest star — it is about 150 million km away!
☀️ Light from the Sun takes about 8 minutes to reach Earth!
22. Frogs are fish.Show answer
Answer: False
Frogs are amphibians, not fish — they start in water but live on land as adults!
🐸 Some frogs can jump 20 times their own body length!
23. What do plant roots do?Show answer
- Make flowers
- Soak up water — correct
- Catch insects
- Make seeds fly
Roots anchor the plant and absorb water and nutrients from the soil!
🌱 The longest root system ever found stretched over 200 metres deep!
24. Which sense do you use your nose for?Show answer
- Sight
- Hearing
- Smell — correct
- Taste
Your nose detects smells — special sensors send signals to your brain!
👃 Humans can detect over one trillion different smells!
25. What colour is most grass?Show answer
- Blue
- Green — correct
- Yellow
- Red
Grass is green because of chlorophyll — the pigment plants use to capture sunlight!
🌿 Grass covers about 20% of all land on Earth!
26. How many legs does a spider have?Show answer
- Four
- Six
- Eight — correct
- Ten
Spiders have eight legs — they are arachnids, not insects!
🕷️ Spiders make silk that is stronger than steel of the same thickness!
27. The Moon makes its own light.Show answer
Answer: False
The Moon does not make its own light — it reflects sunlight, like a giant mirror!
🌙 The same side of the Moon always faces Earth — we never see the far side from here!
28. Which animal has a long trunk?Show answer
- Giraffe
- Elephant — correct
- Rhino
- Hippo
Elephants use their trunks to breathe, drink, grab food and make sounds!
🐘 An elephant's trunk has about 40,000 muscles — your whole body has only about 600!
29. What tool measures temperature?Show answer
- Ruler
- Thermometer — correct
- Scale
- Clock
A thermometer measures how hot or cold something is!
🌡️ The hottest natural temperature on Earth was 56.7°C in Death Valley!
30. Where do seeds grow into new plants?Show answer
- In rocks
- In soil — correct
- In ice
- In fire
Seeds germinate in soil where they get water, nutrients and room to grow roots!
🌱 Some seeds can stay alive underground for thousands of years before sprouting!
31. What covers the outside of a chicken egg?Show answer
- Fur
- Shell — correct
- Skin
- Feathers
An eggshell is hard and protects the developing chick inside!
🥚 An eggshell has about 7,000 tiny pores so the chick can breathe!
32. Sharks are mammals.Show answer
Answer: False
Sharks are fish, not mammals — they breathe through gills and do not feed milk to babies!
🦈 Sharks have been on Earth for over 400 million years — older than dinosaurs!
33. What do clouds hold before it rains?Show answer
- Sand
- Water — correct
- Smoke
- Salt
Clouds are made of tiny water droplets — when they get heavy, rain falls!
☁️ A single fluffy cloud can weigh over a million kilograms!
34. Which planet has beautiful rings?Show answer
- Mars
- Venus
- Saturn — correct
- Mercury
Saturn is famous for its rings — bands of ice and rock orbiting the planet!
🪐 Saturn's rings are only about 10 metres thick but span 280,000 km wide!
35. What do chickens lay?Show answer
- Milk
- Eggs — correct
- Honey
- Wool
Hens lay eggs — each egg can grow into a chick if it is fertilised!
🥚 The world's largest chicken egg weighed about 454 grams!
Easy Science Quiz Questions for Kids (with Answers)