Food and Nutrition

4. A substance needed in diet to provide raw materials for making new substances and for energy release.
9. The food you eat
10. (chemistry), A naturally occurring element or compound that can form distinct grains in rocks.
11. A nutrient that is used as the main source of energy.
14. salt (biology), A compound containing an important element that is needed in small quantities for health (e.g. calcium). Plants get their mineral salts from the soil, animals get them from food.
17. A unit for measuring energy. There are 1000 joules (j) in 1 kilojoule (kj).
19. A nutrient used for growth and repair.
20. A process in which energy is released from substances so it can be used by an organism. All organisms respire.
21. A nutrient that is stored to be used for energy in the future. It also acts as a thermal insulator.
23. A substance found in food that is not used up by the body. It helps to keep our intestines clean.

1. A statement that is supposed to be true
2. A nutrient needed in small quantities for health (e.g. vitamin C).
3. A substance that contains a store of chemical or nuclear energy that can easily be transferred
5. The substances that help organisms respire and grow. All organisms need it.
6. (biology), An element that is a nutrient needed in small quantities for health (e.g. calcium). Minerals are found in foods and soils as compounds called mineral salts.
7. A type of insoluble carbohydrate found in plants.
8. (biology), A liquid fat.
12. material, A substance used to make other substances.
13. When energy moves from one place to another.
15. When the intestines get blocked
16. A type of soluble carbohydrate. Glucose is an example.
18. A deficiency disease caused by a lack of Iron. Causes tiredness and shortness of breath.
22. Fats (and oils) are part of a large group of similar substances called lipids.