science homework i need help

label Science
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scientist us tool such as __________________ to measure volume and _____________ to measure mass and _______________ to measure temperature. 

the a_____________ is the part of the experminent that is changed , and the _______ is kept the same so scientist know what causese a change in a experment.

May 20th, 2015

beaker, balance beam, thermometer, experimental variable, controlled variable

May 20th, 2015

thank you very much


May 20th, 2015

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May 20th, 2015
Jun 27th, 2017
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