Sunday, September 7, 2008

Science Experiment: Decomposers

Dear Readers:
A couple of weeks ago (in August), I did a science experiment about decomposing. There are three types of living things on Earth: producers, consumers, and decomposers. Producers are living things that make their own food inside, like plants. Consumers are the ones that eat producers or even other consumers. A rabbit is a consumer because he eats plants, and a coyote is a consumer because he eats rabbits. Consumers can be herbivores (plant eaters), carnivores (meat eaters), or omnivores (plant and meat eaters.) Most humans are omnivores since we eat meat and other animal products. All humans are consumers-even farmers-because we can not produce our own food inside of ourselves. Have you ever seen a mushroom or toadstool in you lawn? Then you've seen a decomposer. Decomposers help recycle nutrients and carbon back into the earth. They can be tiny, even microscopic and they break down living and non living matter.
In my science experiment, I placed some soil in an empty water bottle with the top cut off. Then I inserted some foil, spinach, paper, egg shells, orange rind, bread and saran wrap. Next I made a chart and tried to predict which items would decompose, or break down and leave behind good nutrients. I covered the bottle with saran wrap and left it in the shade for two weeks.
What do you think happened?????
If you guessed that the spinach, bread, and orange rind decomposed, then you're correct. The paper and egg shells were beginning to decompose, but the saran wrap and foil didn't even change a bit. Don't litter these items, because they will be on the ground for keeps.
Try this experiment at home, if you want to watch some decomposers in action! Coming Soon:
An Excerpt from my History Record Book: Isaac Newton

9 comments:

MK and Co. said...

Very Interesting! I loved learning about your science project. Plus it is always good to be reminded about the importance of keeping this world as clean as can be by not littering. Thanks Professor Sailor!

Katie & Mark said...

WOW! I remember learning that years ago, but until now-it was out of my memory bank! Thanks for the awesome review!

Catherine said...

Dear Sailor,
I love dolls and I want to come to your house. I want Daddy to make sure I don't get lost. I want to catch a baby fish. I love you because you are my friend. I want to you to come to our house. I love you. And I won't litter.
love,
Annabelle

The Renouf Family said...

WOW!
What an excellent teacher you are! That was such a fun lesson. We will have to try it ourselves soon. We have been recycling lately even though our community does not! I have to drive everything to a huge industrial dump like in WALL E..... Every once in a while I want to quit--you just reinspired me! You are a genius. Thanks again. Love the Briskys.

The Blonde Duck said...

Great project!

gigi said...

Hey, now how old are you? That was really some good stuff and I'm sure you learned a lot. Thanks for the reminder, we all need it.

Kimball said...

I might try that sometime. I have all the ingredients for your science experiment already!

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pyper said...

That is really cool...mind if i use it as a science fair project!?hope so,its awsome.I will give you the credit,well most of it anyway...
You Go Little Girl!