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Science quiz for kids

Thirty science questions for children of about 6 to 11, in five rounds: space, dinosaurs, your body, planet Earth and how things work.

Free version · this page

A shortened quiz, to play solo

30 questions to play on your own, online. Type your answers and get your score at the end. No PDFs and no group play.

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Questions
30
Rounds
5
Difficulty
Easy to hard

Round 01 / Space

Space

  1. Which planet do we live on?

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    Earth

    Also accept: The Earth, Planet Earth

  2. Which planet is known as the Red Planet?

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    Mars

  3. Which planet is famous for its big, bright rings?

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    Saturn

  4. Who was the first person to walk on the Moon?

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    Neil Armstrong

    Also accept: Armstrong

    He stepped onto the Moon in July 1969.

  5. Which planet is closest to the Sun?

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    Mercury

  6. What do we call a person who travels into space?

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    An astronaut

    Also accept: Astronaut, Cosmonaut, A cosmonaut

Round 02 / Dinosaurs

Dinosaurs

  1. Which dinosaur's name means "tyrant lizard king"?

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    Tyrannosaurus rex

    Also accept: T. rex, T rex, T-Rex, Tyrannosaurus

  2. How many horns did a Triceratops have on its face?

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    Three

    Also accept: 3

    "Triceratops" means "three-horned face".

  3. Which dinosaur had big plates along its back and spikes on its tail?

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    Stegosaurus

    Also accept: A stegosaurus

  4. What do we call an animal that only eats plants?

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    A herbivore

    Also accept: Herbivore

  5. What do we call the remains of ancient animals and plants preserved in rock?

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    Fossils

    Also accept: Fossil, A fossil

  6. What do we call a scientist who studies fossils and dinosaurs?

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    A palaeontologist

    Also accept: Palaeontologist, Paleontologist, A paleontologist

Round 03 / The human body

Your body

  1. Which bone protects your brain?

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    The skull

    Also accept: Skull, Your skull, Cranium

  2. Which two organs in your chest do you use to breathe?

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    Your lungs

    Also accept: Lungs, The lungs

  3. Sight, hearing, smell, taste and touch: how many senses is that?

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    Five

    Also accept: 5

  4. What is the largest organ of the human body?

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    The skin

    Also accept: Skin, Your skin

  5. How many bones are there in a grown-up's body?

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    206

    Also accept: Two hundred and six

    Babies are born with around 300, and some join together as they grow.

  6. Which part of your body do you use to smell?

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    Your nose

    Also accept: Nose, The nose

Round 04 / Earth & weather

Planet Earth

  1. What do we call frozen water that falls from the sky in soft white flakes?

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    Snow

  2. How many colours are there in a rainbow?

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    Seven

    Also accept: 7

    Red, orange, yellow, green, blue, indigo and violet.

  3. What do we call a mountain that can erupt with lava?

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    A volcano

    Also accept: Volcano

  4. Which is usually the hottest season of the year?

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    Summer

  5. Which gas in the air do we need to breathe to stay alive?

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    Oxygen

  6. How long does the Earth take to travel once around the Sun?

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    One year

    Also accept: A year, Year, 365 days, 365 and a quarter days, 12 months, Twelve months

Round 05 / How things work

How things work

  1. At what temperature does water freeze, in degrees Celsius?

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    0

    Also accept: Zero, 0 degrees, 0°C, Zero degrees, 0 C

  2. At what temperature does water boil, in degrees Celsius?

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    100

    Also accept: One hundred, 100 degrees, 100°C, A hundred, 100 C

  3. Which of these metals sticks to a magnet: iron, gold, copper or aluminium?

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    Iron

  4. Solid, liquid and what are the three states of matter?

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    Gas

    Also accept: A gas, Gases

  5. What is H2O better known as?

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    Water

  6. What do we call the complete loop that electricity flows around?

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    A circuit

    Also accept: Circuit, An electric circuit, Electrical circuit

Solo is free. Playing with a group? That’s the full quiz.

Free version · this page

A shortened quiz, solo only

30 questions to play on your own, online

  • 30 questions, marked for you
  • Your score, answers and explanations at the end
  • No PDFs: nothing to print or hand round
  • No group hosting or live game room
  • No team answer sheets or tie-breakers
  • Anyone can look these questions up

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How to run it

  1. Each round starts easy and ends with a hard one, so save a bonus point for the last question.
  2. Ask players to explain an answer for an extra point. Why does ice float? Why is Mars red?
  3. Good for a rainy afternoon, a science week assembly or a long car journey.