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Discovery Lab: science quiz for kids

Try a new way to see the world. Discovery Lab is one of thirteen worlds in Little Quiz Worlds, a free trivia game for children aged 8–13. Its questions cover forces, materials, light, sound and simple experiments, with 60+ questions pitched for ages 8–9, 10–11 and 12–13.

Three missions to complete

  1. Look closer
  2. Test an idea
  3. Think like a scientist

Each mission is ten quick questions. Finish all three to earn the Discovery Lab discovery badge and new parts for your electric car in the garage.

Try some sample questions

  1. What force pulls things towards Earth?

    1. Gravity
    2. Magnetism
    3. Friction
    4. Sound
    Show the answer

    Gravity — It keeps your feet on the ground.

  2. What makes a shadow?

    1. An object blocking light
    2. A loud noise
    3. Hot air
    4. A magnet
    Show the answer

    An object blocking light — Light cannot pass through some objects.

  3. What travels faster: light or sound?

    1. Light
    2. Sound
    3. They always tie
    4. Neither moves
    Show the answer

    Light — You see lightning before hearing thunder.

  4. What must a simple electric circuit have for a bulb to light?

    1. A complete path
    2. A broken wire
    3. Only a switch
    4. No power source
    Show the answer

    A complete path — Electricity needs a loop.

  5. What gas do plants take in for photosynthesis?

    1. Carbon dioxide
    2. Helium
    3. Neon
    4. Hydrogen
    Show the answer

    Carbon dioxide — People breathe it out.

  6. Which surface is likely to create more friction?

    1. Rough sandpaper
    2. Smooth ice
    3. Polished glass
    4. Oiled metal
    Show the answer

    Rough sandpaper — Rough surfaces resist sliding.

  7. What do mirrors do to light?

    1. Reflect it
    2. Eat it
    3. Turn it into sound
    4. Stop time
    Show the answer

    Reflect it — You can see yourself in one.

  8. Which tool can help you see very small cells?

    1. Microscope
    2. Telescope
    3. Compass
    4. Stopwatch
    Show the answer

    Microscope — It magnifies tiny objects.

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