Science 6 · Unit 1: The human body · Cambridge Primary Science Stage 6

Questions

1. 1. What is a parasite?

   • a living thing that lives on or in another living thing
   • a kind of medicine
   • a type of blood vessel
   • a healthy food
   Check

2. 2. What is the living thing that a parasite infects called?

   • the virus
   • the vector
   • the host
   • the barrier
   Check

3. 3. Which disease is caused by a virus?

   • measles
   • cholera
   • ringworm
   • athlete's foot
   Check

4. 4. Which disease is caused by bacteria?

   • cholera
   • measles
   • athlete's foot
   • flu
   Check

5. 5. Which disease is caused by a fungus?

   • measles
   • cholera
   • athlete's foot
   • flu
   Check

6. 6. Are all bacteria harmful?

   • Yes
   • No
   Check

7. 7. Which is the smallest - bacteria, viruses or fungi?

   • they are all the same size
   • viruses
   • bacteria
   • fungi
   Check

8. 8. How does skin protect the body from disease?

   • It kills germs in food.
   • It makes tears.
   • It is a barrier that stops germs getting in.
   • It traps germs in the nose.
   Check

9. 9. What does mucus in the nose and windpipe do?

   • traps germs
   • pumps blood
   • kills germs in food
   • makes oxygen
   Check

10. 10. How does stomach acid protect us?

    • It stops germs entering the skin.
    • It kills germs in the food we eat.
    • It traps germs in the nose.
    • It cleans our eyes.
    Check

11. 11. What do tears contain that helps fight disease?

    • blood
    • oxygen
    • sugar
    • a chemical that kills some bacteria
    Check

12. 12. What is hygiene?

    • exercising every day
    • taking medicine
    • keeping yourself and things around you clean
    • eating lots of sugar
    Check

13. 13. Why should you wash your hands with soap, not just water?

    • Soap removes and kills germs better.
    • It makes hands stronger.
    • Water is dirty.
    • Soap tastes nice.
    Check

14. 14. How can you make river water safe to drink?

    • boil it or treat it with bleach
    • add salt
    • add sugar
    • leave it in the sun for a minute
    Check

15. 15. Why shouldn't food be left at room temperature in hot weather?

    • It gets too cold.
    • It turns into water.
    • It loses its colour.
    • Bacteria and fungi grow faster when it is warm.
    Check

16. 16. If you have no tissue, where should you cough or sneeze?

    • into your elbow
    • into your hand
    • onto other people
    • into the air
    Check

17. 17. Mosquitoes spread malaria but don't get it themselves. What are they called?

    • vectors
    • hosts
    • viruses
    • barriers
    Check

18. 18. What is the best way to prevent malaria?

    • drink salty water
    • stand in the sun
    • eat more sugar
    • avoid mosquito bites, e.g. sleep under a bed net
    Check

19. 19. Which insect spreads sleeping sickness?

    • the ant
    • the tsetse fly
    • the mosquito
    • the bee
    Check