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Mohamed Dan
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11
Computer Science
6th Grade
04/04/2013
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Term
States of matter.
 Definition
Liquid-Solid-Gas.
Term
Physical change
 Definition
A chenge in a substance, but the substance its self does not chenge.
Term
Chemical change
 Definition
A change in which the substance changes into a new substance.
Term
Element
 Definition
A pure substance
Term
Compound
 Definition
A mixture
Term
Mixture
 Definition
More than 1 element together
Term
Atom
 Definition
The smallest basic unit of matter
Term
Producer
 Definition
An organism that makes its own energy using sunlight
Term
Consumer
 Definition
Term
Pllutant
 Definition
Substances that are harmfl to the enviroment
Term
Energy pyramid
 Definition
Shows the availeble energy in an ecosystem. The amount of energy decreases as you go up the pyramid.
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