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

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?

Food gives you ENERGY

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

our main source of energy Carbohydrates – our main source of energy

Energy Drinks are Loaded with sugar

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.

2. Proteins – for growth and repair

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

3. Lipids – the “fat”

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).

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.

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

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

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

Activity – Food Investigation

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?