Skip to main content

Science Exercise 2

Key stage 3 Science Exercise

1. A balanced diet will have the correct quantity of the __________ .

2. Carbohydrates are main ________ source for your body.

3. Proteins are essential for ________ and to repair damaged part.

4. Lipids perform as a store of _______ .

5. Fibre helps food _____ through your digestive system.

6. Your body always needs _______ .

7. People have _______ energy requirements.

8. The quantity of energy a person needs each day depends on _________ and level of activity.

9. Every cell in your body requires ________ .

10. The more active you are the more ________ your body will need.

11. An unbalanced ________ can create health problems.

12. Obesity can lead to health problems such as _________ and heart disease.

13. Some people do not get sufficient food to eat , this is ______.

14. The impacts of starvation include ________ in children.

15. Digestion is all about ________ food.

16. Proteins called _______ help in breaking down the food chemically.

17. Food is absorbed into the _______ through the gut wall.

18. Insoluble food molecules cannot be absorbed through the ______ .

19. Millions of ________ are coated in the inner wall of small intestine.

20. ________ are very vital in the gut.

Answers: 1. five nutrients 2. fuel 3. growth 4. energy 5. move 6. energy 7. different 8. body mass 9. energy 10. energy 11. diet 12. high blood pressure 13. starvation 14. slow growth 15. breaking down 16. enzymes 17. blood 18. gut wall 19. villi 20. Bacteria

Comments