Grade 4Sciencequiz16 questions

The human body

Grade 4: skeleton and muscles, heart and blood, lungs, digestion, teeth.

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Free to play. Teams answer on one screen; your phone is the remote. No student devices.

Questions

  1. What is the main job of your skeleton?

    • It digests your food and drinks
    • It helps you taste your food
    • It pumps blood around your body
    • It supports your body and protects organs
    Show answerIt supports your body and protects organs

  2. Which type of joint lets your shoulder move in almost every direction?

    • Ball-and-socket joint
    • Fixed joint
    • Hinge joint
    • Sliding joint
    Show answerBall-and-socket joint

  3. Muscles pull on bones to make your body move. (True or false?)

    Show answerTrue

  4. Which part of the body pumps blood?

    • The brain
    • The heart
    • The lungs
    • The stomach
    Show answerThe heart

  5. What do red blood cells carry around the body?

    • Calcium
    • Food scraps
    • Oxygen
    • Water vapor
    Show answerOxygen

  6. What do we call the tubes that carry blood around the body? (Answer out loud)

    Show answerBlood vessels (arteries, veins and capillaries)

  7. Which gas from the air do your body cells need to stay alive?

    • Helium
    • Hydrogen
    • Neon
    • Oxygen
    Show answerOxygen

  8. The muscle called the diaphragm helps you breathe in and out. (True or false?)

    Show answerTrue

  9. Which waste gas does your body make and breathe out?

    • Carbon dioxide
    • Helium
    • Hydrogen
    • Neon
    Show answerCarbon dioxide

  10. Where does food go after you swallow it?

    • Down the food pipe to the stomach
    • Into the lungs through the nose
    • Straight to the heart and blood
    • Up the neck to the brain
    Show answerDown the food pipe to the stomach

  11. Which long, coiled organ absorbs most nutrients from food into the blood? (Answer out loud)

    Show answerThe small intestine

  12. What does saliva in your mouth start to do?

    • Break down food
    • Clean the air
    • Make bones grow
    • Pump blood
    Show answerBreak down food

  13. Adults have 20 baby teeth. (True or false?)

    Show answerFalse

  14. Which teeth are flat and used for grinding food?

    • Canines
    • Gums
    • Incisors
    • Molars
    Show answerMolars

  15. What is the hard outer layer of a tooth called? (Answer out loud)

    Show answerEnamel

  16. What helps keep your teeth healthy?

    • Brushing twice a day
    • Chewing on pencils
    • Eating lots of sweets
    • Never visiting a dentist
    Show answerBrushing twice a day

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