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Experiment No. 19

Question: How can you discover if food contains fat?


Experiments: To test for fat.


You will need:

A piece of brown paper,
a sample of food – butter.


1. We rubbed our food sample (butter) with brown paper.

2. Then we waited and observed the effect that the food had on the brown paper.

3. We recorded the results.


The butter stained the brown paper and the stain was see-through – this type of stain on the brown paper is called a translucent stain. The stain would not come off.


1. If there is a permanent translucent stain on the brown paper then fat is present.

2. If there is no stain or a stain that dries away then there is no fat present.

Sixth Class Experiments

1. Can Water Move up a Flower?

How can you show that water moves through the branch of a tree and its leaves?

3. How can you see the roots of a plant grow if they're underground?

4. Can a plant beat an obstacle course and grow towards what it needs?

5. Can you grow your own mould?

6. How can I catch spores?

7. What causes us to feel breathless?

8. Can you prove that humans breathe out CO2?

9. How do the lungs work?

10. How do the Alveoli work?

11. What happens when Yeast has sugar to feed on?

12. What is Diffusion?

13. How does the selective barrier in a cell work?

14. Are cells in vegetables damaged when they're cooked?

15. How hard does the heart work?

16. How can you see your pulse?

17. How can you discover if food contains starch?

18. How can you discover if food contains protein?

19. How can you discover if food contains fat?

20. How can you discover if food contains Vitamin C?