Science 5 · Unit 4: The digestive system · Cambridge Primary Science Stage 5

Questions

1. 1. What is a balanced diet?

   • the right kinds and amounts of food from all the food groups
   • eating only proteins
   • eating as much as possible
   • eating only fruit
   Check

2. 2. Which food group gives us energy?

   • vitamins
   • proteins
   • carbohydrates
   • minerals
   Check

3. 3. Which food group builds our bodies and helps us grow?

   • carbohydrates
   • fats
   • proteins
   • sugars
   Check

4. 4. What do fruit and vegetables give us?

   • mostly fat
   • vitamins and minerals
   • only sugar
   • mostly protein
   Check

5. 5. Which food group should we eat least of?

   • water
   • carbohydrates
   • fats, oils and sugar
   • fruit and vegetables
   Check

6. 6. Which is a healthier carbohydrate?

   • cake
   • cola
   • candy
   • brown rice
   Check

7. 7. Why do we need fibre?

   • It builds muscles.
   • It gives us lots of energy.
   • It helps food pass easily through the digestive system.
   • It makes bones strong.
   Check

8. 8. Which food contains lots of fibre?

   • cooking oil
   • sugar
   • butter
   • lentils
   Check

9. 9. Why do we need water?

   • It is a protein.
   • It builds bones.
   • It carries substances around the body and helps digestion.
   • It gives lots of energy.
   Check

10. 10. Which mineral makes bones and teeth strong?

    • sugar
    • iron
    • calcium
    • sodium
    Check

11. 11. Which mineral do we need for healthy blood?

    • fibre
    • calcium
    • sodium
    • iron
    Check

12. 12. Arun had noodles, chicken, an orange and cola. Which food helps him grow?

    • cola
    • noodles
    • the orange
    • chicken
    Check

13. 13. How could Arun make that lunch healthier?

    • add more cola
    • swap the orange for sweets
    • swap the cola for water and add vegetables
    • add a cake
    Check

14. 14. Butterbeans have 15 g protein, 12 g fibre and 5 g sugar per 100 g. Creamed corn has 4.5 g protein, 3 g fibre and 9 g sugar. Which is better for a balanced diet?

    • butterbeans
    • creamed corn
    Check

15. 15. What disease did sailors get long ago without fresh fruit?

    • a cold
    • chickenpox
    • measles
    • scurvy
    Check

16. 16. In James Lind's test, which treatment cured scurvy?

    • seawater
    • weak sulfuric acid
    • vinegar
    • oranges and lemons
    Check

17. 17. Which vitamin prevents and cures scurvy?

    • Vitamin K
    • Vitamin A
    • Vitamin D
    • Vitamin C
    Check