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Friday, October 18, 2019

the rate that different materials decompose.


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


Image result for test tube rack



Hypothesis: I think that the banana and the bread will compost the best

Materials:

  1.   Test tube rack
  2.   Paper
  3.   Banana
  4.   Bread
  5.   Styrofoam
  6.   4 test tubes
  7.     water
Steps:
  1.   get the test tube rack
  2.   get bananas and put it in the test tube
  3.   get the styrofoam and put it in the test tube 
  4.   get the bread and soaked in water then put it in the test tube
  5.   get the paper and put it in the test tube
  6.   
  7.  
Image:






Conclusion: 





FINDINGS:


TODAY
Colour
Change
Observations
Banana
yellow
gone brown a bit
Paper
brown
still, brown
Stylophone cup
white
still white
Bread
white
soaked in water

  •   banana is yellow gone brown a bit
  •   paper is still brown
  •   Stylophone cup is still white
  •    Bread white but soaked in water


3 weeks
Colour
Change
Observations
Banana
yellowgreeny brownthe banana is brown with lots of molds
Paper
brownnothingsmells like a new bike tyers from a b
Stylophone cup
whitenothing nothing happened
Bread
whitegreeny brownmoldy brown green.

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