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COMPOSTING EXPERIMENT
13
We conducted an experiment on composting homework. In all jars we had water, soil and mulch/sticks. In Jar A, we also had oranges and wet newspaper. In Jar B, we had hair and wet newspaper. In Jar C, we had oranges and lettuce, and in Jar D, we had hair and lettuce. In each slide, we will be listing the results of our composting.
Hypothesis:
- Jar A will have more effect as compost than Jar C will, because Jar A has the oranges, which we predict will have more effect than lettuce as it is more acidic and is juicier than lettuce.
- Jar D will have more effect as compost than Jar B because of the same reason in the first hypothesis.
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COMPOSTING RESEARCH
Composting needs dirt, mulch/sticks, a 'wet' material, a 'dry' material, and water.
Composting generally takes 6 weeks to 6 months.
COMPOSTING EXPERIMENT
Conclusion
Both of hypothesis were correct. Jar A did have more
effect as Jar C, and Jar D had more effect than Jar B.
Jar A had mould growing on it, but it seemed to be breaking down, but Jar D actually did have effect as well.
Compare Results
DAY 1
DAY 2
DAY 3
Jar D
(lettuce and hair)
JAR Aseems to have grown
mould.
Jar D, at when we started.
JAR A
JAR A seems to have the
most effect out of all of them.
I think it's because of the mould.
Started on Day 1
No change has occurred.
Still no change.
JAR B
Started on Day 1
I believe this to be more effective than the others because the dirt seems to have flipped itself as if a human has turned it over. I believe this is the work of the microbes.
JAR C
No change has occurred.
Still no change.
Started on Day 1
JAR D
Started on Day 1
This is the second
most effective.
Seems to be breaking down,
but not much.
Jar A (Oranges and Newspaper)
This is what our jars looked like when we started. Almost immediately, the newspaper appeared to be ripping (maybe because of the water?)
Jar C (Oranges and lettuce)
This is Jar C when we started.
Jar B (Hair and Newspaper)
This is the appearance when we started.
After a day, no improvements seemed to have occurred. The microbes seem to be composting it slowly. I do not believe this to be very effective.
I do not believe this to be effective as well because
it has too many fruits in it.
No change seems to have occurred.