Aim: To learn about the rate that different materials decompose.
Hypothesis: Bananas, white stylophone, paper, and bread. I think the bread will decompose the fastest.
Materials:
- Test tubes X4
- Test tube holder.
- White stylophone.
- Paper.
- Bread.
- Bananas.
- Water.
Steps:
- Set up a test tube holder.
- Put 4 test tubes in the holder.
- Put Bread in one tube.
- Put paper in one tube.
- Put white stylophone in one tube.
- Put Bananas in one tube,
Findings:
3 weeks
|
Colour
|
Change
|
Observations
|
Banana
| Yellow | Black/brown | Got fluffy on it. steam is brown. juice out. Stinks. |
Paper
| Brown | Brown | It looks exactly the same 3 weeks ago. |
Stylophone cup
| White | White | It looks exactly the same 3 weeks ago |
Bread
| White/Brown | Black/White | Changed form. black piece in it. A lot of water at the bottom. |
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