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Showing posts with label decomposing. Show all posts
Showing posts with label decomposing. Show all posts

Thursday, 31 October 2019

Decomposing and recycling

Aim: To learn about the rate that different materials decompose. 
Hypothesis: I think banana will rot first then goes to the paper then bread and so on to the styrofoam

Materials:  
  1. 4 Test tubes 
  2.   banana
  3.   styrofoam cup
  4.   test tube holder
  5.   paper
  6.   bread
  7.   water
Steps:
  1.   put the banana, cup, paper, and bread in the test tubes
  2.   put the tubes in the holder
  3.   wait as much as the table shows below
  4.   check up on the samples
  5.  write down your findings on what rotted quickest  
Findings:


TODAY
Colour
Change
Observations
Banana


Rotted most
Paper


degraded most
Styrophone cup


less degrade
Bread


less rot
                                                                                                                                                                                              
  •   
  •   
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3 weeks
Colour
Change
Observations
Banana


The most
Paper


The second
Styrophone cup


Last
Bread

5%Third

  •   
  •   
  •   



5 weeks
Colour
Change
Observations
Banana

ALOTIt looked like corn but mixed with garlic
Paper

40%looked like used tissues
Styrophone cup

20%looked like sand
Bread

15%looked like vomit but yellowish 
  
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Images:




Conclusion: