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Finley Science Terms
words needed for success in 7th grade science
Question | Answer |
---|---|
catalyst | a substance that changes the rate of a chemical reaction without being used up or changed very much |
density | the ratio of a mass of a substance to the volume of the substance |
friction | a forced resistence between 2 objects due to the roughness of the surfaces |
heterogeneous | a group of different things |
homogeneous | a group of the same things evenly distributed throughout |