Homework Help: science

Posted by 12345 on Sunday, January 21, 2007 at 10:06pm.

how do the words matter, element, atom, crystal, compound, and molucle relate?

Matter is composed of elements which are composed of atoms and molecules and these combine to form compounds that may be crystalline.

why do leaves turn water a differnt color

Leaves turn a diferent color because of the chloroplasts insid of them. In spring and summer,the chloroplasts turn the leaves green. In the fall, the chloroplasts will turn the leaves different colors according to how much sunlight there has been that year. The more sun, the darker the color. I think that the color changes because of the temperature and amount of sunlight, but I'm not positive.

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