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Friday, September 27, 2019

decomposing and recycling




Hurumanu - Decomposing and Recycling

hypothisis Decomposition of bread. ... By feeding on the sugars and carbohydrates of bread, the spores of mold can get the energy to reproduce by mitosis

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

Image result for test tube rack


Hypothesis: I think that......

Materials:

  1.   test tubes
  2.   paper
  3.   Styrofoam
  4.   bananas
  5.   bread
  6. test tube rack 
  7. water
  8.   
  9.     
Steps:
  1.   we got the test tube rack
  2.   then we put the test ubes in the rack
  3. then we got the bananas 
  4.   then the styrofoam 
  5.   then the paper
  6.   then the bread 
  7.  and then we put all the stuff in the test tubes
Image:






Findings:



TODAY
Colour
Change
Observations
Banana
orange?going down
Paper
brown?standing straight
Styrophone cup
white?still straight
Bread
white?taking up most of the test tube

  •   
  •   
  •   


3 weeks
Colour
Change
Observations
Banana



Paper



Styrophone cup



Bread




  •   
  •   
  •   



5 weeks
Colour
Change
Observations
Banana



Paper



Styrophone cup



Bread



  
  •    
  •    
  •     
  •    


Images:




Conclusion:

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