1. Kaupapa: 16 / 03 Thursday Learn why we need nutrients from the food
Investigate the amounts of different nutrients in different foods

2. Can you remember? Why do we eat food? Which form of energy is in food?
How much energy do we need?
What if we take in too much energy?

3. Food gives you ENERGY

7. Nutrients
We need food to get energy. However, we also need to have the correct balance of the essential nutrients from the food to stay healthy. They are:
Carbohydrates
Proteins
Lipids
Vitamins and Minerals

8. our main source of energy
Carbohydrates –
our main source of energy

11. Energy Drinks are
Loaded with sugar

14. 1. Carbohydrates Sugars, Starches and Fibres. Main source of ________.
Starches give energy steadily over a long period of time, as they have to be __________ (broken down) first.
Starches turn into sugars (_________) when broken down.

15. 2. Proteins – for growth and repair

17. 2. Proteins Proteins contain very little amount of _________.
But proteins are very important because they are needed for __________ and __________ of the body.

18. 3. Lipids – the “fat”

21. 3. Lipids Lipids are ______ and _____.
Lipids have lots of energy (about twice as much as in ____________).
Unused energy is stored in your ______ as lipids (becomes ______ fat).

22. The body also needs…
Vitamins & Minerals – these are needed in small amounts but extremely important for the chemical reactions in the body (e.g. digestion, repairing, respiration, etc.).
Water is also needed to enable these chemical reactions.

25. Lack of Vitamin D (present in dairy products and meats)
Name: Beriberi
Cause
Lack of Vitamin D (present in dairy products and meats)
Symptoms
Stomach troubles
Muscle paralysis
Death

26. Lack of Vitamin C (present in fruits and vegetables)
Name: Scurvy
Cause
Lack of Vitamin C (present in fruits and vegetables)
Symtoms
The gums and nose bleed
Internal bleeding may also occur

27. Name: Rickets Cause Lack of Vitamin D Lack of Calcium Symtoms
Bones become very soft and bent

30. Activity – Food Investigation

31. What have we learnt today?
Name three foods that have lots of carbohydrates
Name three foods that have lots of protein
Why do we need protein?