Decomposition🥀

Aim: To learn about the rate that different materials decompose. 

Hypothesis: I think that banana is going to decompose the fastest.

Materials:  

1. Banana
2. Bread  
3. Styrofoam
4.  Paper
5. Test tubes  
6. Bung
7. Test tube rack  
8. Water

Steps:

1.   Put the test tubes into the stand.
2.   Put the banana in one tube, the paper in another tube, Etc.
3. Put water into the bread tube.
4. We took it back to our table.
5.  We Wrote our names on a piece of paper and stuck it onto the stand.
6.   Placed the stand onto a surface where it won't be touched.
7.   Wait 5 weeks

Findings:

TODAY	Colour	Change	Observations
Banana	Yellow	-	-
Paper	Brown	-	-
Styrophone cup	White	-	-
Bread	Beige	-	-

3 weeks	Colour	Change	Observations
Banana	brown and a greenish colour.	Changed colour and rotted	the banana went from a smallish yellow piece to a brown disgusting smelly mess.
Paper	Brown	Nothing	Nothing had changed about the paper it was still brown and looked the same.
Styrophone cup	White	Nothing	Nothing had changed about the cup it was still white and looked the same.
Bread	Green, black and white	Change of colour	The bread was a normal beige colour at the start but slowly started changing colour.

5 weeks	Colour	Change	Observations
Banana	green	Changed colour.	The banana had gone very mouldy and disgusting.
Paper	brown	nothing	It looks the same
Styrophone cup	white	nothing	Looks the same.
Bread	white, brown and a creamy colour.	mouldy foam on the top.	The bread had turned into white mouldy foam and the water had turned into a beige creamy liquid.

  

Conclusion:
I personally think the banana moulded the fastest because in 3 weeks it had already started to look like the end result, The bread had also moulded very fast. In conclusion I don't think anyone should ever do this its very gross and smells.