lunes, 23 de agosto de 2010

VOCABULARY NO.1


VOCABULARY 1


MASS the amount of matterin an object.

Volume the amount of space an object takes up.



Weight on Eart a measure of the force of gravity between Earth and an object.




Density a measure of how tightly packed matter is,the amount of mass contained in a given volume.






Buoyancy the upward push on an object by the liquid or gas the object is placed in .




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