1. Natural Sciences and Technology Grade 6
Term 1: Life and Living
Nutrients in food
(PPT 3)

2. Topic 2 Nutrients in food
Vitamins and Minerals
Gr 6 Natural Sciences and Technology – Term 1, Topic 2

3. Vitamins and minerals are one of the four food groups -
carbohydrates
proteins
fats and oils
vitamins and minerals
Gr 6 Natural Sciences and Technology – Term 1, Topic 2

4. Different types of vitamins
We are able to get our vitamins and minerals from:
the food we eat;
vitamin supplements;
the sun.
Today we will be learning about Vitamins A, B, C and D.
Gr 6 Natural Sciences and Technology – Term 1, Topic 2

5. Vitamin A
Sources of Vitamin A: egg yolk, liver, green beans, peas, fish oil, carrots, pumpkin, butter.
Functions of Vitamin A: It helps our eyes to produce a pigment that helps us to see in dim light. It helps your body to fight infection.
Gr 6 Natural Sciences and Technology – Term 1, Topic 2

6. Gr 6 Natural Sciences and Technology – Term 1, Topic 2

7. Vitamin B
Sources of Vitamin B: brown rice, whole-wheat bread, cereal, vegetables, meat.
Functions of Vitamin B: there are seven types of Vitamin B and each type has a different function. For example:
it is used for breathing,
it helps to make energy, proteins and red blood cells.
Gr 6 Natural Sciences and Technology – Term 1, Topic 2

8. Gr 6 Natural Sciences and Technology – Term 1, Topic 2

9. Vitamin C
Sources: citrus food (oranges, naartjies), strawberries, tomatoes, peppers, guavas and green vegetables.
Functions: It helps our bodies to fight infections because it strengthens our body’s immune system.
Gr 6 Natural Sciences and Technology – Term 1, Topic 2

10. Gr 6 Natural Sciences and Technology – Term 1, Topic 2

11. Vitamin D
Sources: the sun, egg yolk, fish liver oil, milk and margarine.
Functions:
It helps our bodies to absorb calcium and phosphate.
Calcium and phosphate are used to make strong bones and teeth.
The ultra-violet rays of the sun changes cholesterol in our skin to Vitamin D.
Gr 6 Natural Sciences and Technology – Term 1, Topic 2

12. Gr 6 Natural Sciences and Technology – Term 1, Topic 2

13. Minerals Four of the most important minerals are – Sodium
- It helps to keep the correct balance of water in the body.
- It is found in most food, but not in fruit.
Calcium
- It helps strengthen our bones and teeth.
- It is found in fish, green vegetables, milk and cheese.
Gr 6 Natural Sciences and Technology – Term 1, Topic 2

14. Minerals Zinc - It helps to the body to grow.
- It is found in meat, fish and poultry
(chicken and other birds).
Iron
- It helps to make red blood cells that carry
the oxygen through the body.
- It helps to give energy to the body.
- It is found in red meat, liver, beans & green
leafy vegetables.
Gr 6 Natural Sciences and Technology – Term 1, Topic 2