Chapter 1: Food
In this chapter you will learn about:
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A balanced Diet
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The six food types
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4 food tests
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Food and energy
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A balanced diet involves eating the right amount of the six different food types
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The food pyramid shows clearly what we should eat in one day
A Balanced Diet
The Six Food Types Table
Food Types -Source -Function
1:Carbohydrates
-Sugars - Fruit - Fast releasing Energy
-Starch - Bread - Longer lasting energy
-Fibre - Cereals such as bran - Helps with movement of food through intestines
2:Fats -Butter - Storage of energy over a long period of time
3:Proteins - Meat - Repairing of tissue
- Make hair and nails
4:Vitamins
- Vitamin C - Oranges - Healthy skin
- Vitamin D - Youghurt - Healthy Bones
5:Minerals
-Iron - Red Meat - Prevention of Anemia
-Calcium - Milk - Development of bones
6:Water - Drinks - Allows cells to work
Food Test experiment
Experiment: To test for the presence of starch in bread
Method:
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Using a dropper place iodine on a slice of bread
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Using a dropper place water onto a slice of bread
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Observe to see if any change in occurs in either slice
Results:
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The slice of Bread with iodine should turn blue-black which proves starch exists in bread
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The slice of bread with water should remain the same colour. This part of the experiment was used as a control
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