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Experiment No. 3
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Question: How can you see the roots of
a plant grow if they’re underground? |
Experiments: To examine how the roots of a bulb grow.
Materials:
You will need:
3 used matchsticks,
1 hyacinth bulb,
1 jam jar.
Method:
1. Place the 3 used matchsticks
into three different parts of the bulb.
2. Fill the jam jar, very close to the top, with water.
3. Balance the hyacinth bulb and matchsticks onto the jar.
4. Record and observe the results over 4 weeks.
Result:
Week 1:
Week 2:
Week 3:
Week 4:
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Find
out more! |
A plant changes its growth
in response to the things it needs. This is called a tropism. Roots grow in
response to gravity – that’s why they grow down. This is known as
geotropism.
Sixth Class Experiments
1.
Can
Water Move up a Flower?
2. 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?
7. What causes us to feel breathless?
8. Can you prove that humans breathe out CO2?
11. What happens when Yeast has sugar to feed on?
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?