Hurumanu-Decomposing and recycling

Hurumanu - Decomposing and Recycling

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

Hypothesis: I think that......

Materials:

1.   Bread + water
2.   Paper
3.   Banana
4.   Stylophone
5.   4 test tubes
6.   1 test tube rack
7.     Scissors

Steps:

1.   Get your 4 tubes and polace4 into the test tube rack
2.   Cut the stylophone, Cardboard and paper
3.  Place the banana and the bread in the test tube
4.   Carefully add water into the test tube with bread 
5. Then add the stylophone and the cardboard into the test tube
6.   Then wait for 3 weeks to see which one rots the fastest  

Image:

Findings:

TODAY	Colour	Change	Observations
Banana
Paper
Stylophone cup
Bread

•   
•   
•   
• 
  

3 weeks	Colour	Change	Observations
Banana	Brown	Green	Brown with green mould around it
Paper	Brown	Brown	Same as before
Stylophone cup	White	white	Has got mould around the inside of the cup
Bread	Cream	Yellow	Has gone all mushy and smells like the green bin.

•   
•   
•   
• 
  

5 weeks	Colour	Change	Observations
Banana
Paper
Stylophone cup
Bread

  

•    
•    
•     
•    

Images:

Conclusion: I have found out that the banana rots faster than the bread, Stylophone or cardboard. I thought that the bread would of rotten faster since it had water ib it but obviously not. Maybe the bread will rot faster in the 5th week.