🔬 20-question science quiz
Science quiz for kids: 20 questions with instant answers
Plants, animals, the human body, matter and forces. Tap an answer to see whether you are right, read the explanation and see your score at the end.
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How to play
- Read the explanation after every answer.
- Try to explain the answer to someone else in your own words.
- Take it again after a week and see if you remember more.
Question 1 of 20
See all 20 questions and answers
- What do plants need to make their food? Sunlight, water and air. Plants use sunlight, water and carbon dioxide from the air to make food. This is called photosynthesis.
- Which part of a plant takes in water from the soil? Roots. Roots take in water and minerals from the soil.
- How many bones does an adult human body have? 206. An adult has 206 bones.
- Which organ pumps blood around the body? Heart. The heart pumps blood through the body.
- Which gas do humans breathe in to stay alive? Oxygen. We breathe in oxygen. Air is mostly nitrogen, but our body uses the oxygen.
- What is it called when water turns into water vapour? Evaporation. Evaporation is when liquid water turns into vapour.
- Which is the closest star to the Earth? The Sun. The Sun is a star and it is the closest one to Earth. The Moon is not a star.
- What is the hardest natural substance? Diamond. Diamond is the hardest natural substance.
- Which of these animals is a mammal? Dolphin. Dolphins breathe air and feed milk to their babies, so they are mammals.
- How many legs does an insect have? 6. Insects have six legs. Spiders have eight and are not insects.
- Which sense organ do we use to smell? Nose. We smell with the nose.
- What do we call animals that eat only plants? Herbivores. Herbivores, like cows and deer, eat only plants.
- Which force pulls objects towards the Earth? Gravity. Gravity pulls objects towards the Earth.
- At what temperature does water boil at sea level? 100 °C. Water boils at 100 °C at normal sea-level pressure.
- Which part of the body helps us think? Brain. The brain controls thinking, memory and movement.
- Which of these is a source of light? The Sun. The Sun makes its own light. The Moon and a mirror only reflect light.
- What are the three common states of matter? Solid, liquid, gas. Matter is commonly found as a solid, a liquid or a gas.
- Which vitamin do we get from sunlight? Vitamin D. Our skin makes vitamin D when it is in sunlight.
- What do bees collect from flowers to make honey? Nectar. Bees collect nectar from flowers and turn it into honey.
- What is ice made of? Frozen water. Ice is water in its solid form.
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FAQ
Science quiz for kids: questions people ask
What does the science quiz cover?
Plants, animals, the human body, states of matter, light, gravity and the Sun.
What age is it for?
Ages 7 to 12.
Are the answers correct?
Yes. They are standard school science facts.
Where can I find more?
Try the space quiz, the India GK quiz and the general knowledge quiz.
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