martes, 28 de septiembre de 2010

Volume: the amount of space an object takes up

Weight: a measure of the force of gravity between earth and an object

Density: a measure of how tigthly packed matter is; the amount of mass contained ia given volume

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


Conduct: allow heat or electricity to flow trough readily

Insulate: not allow heat or elecricity to flow trough readily

Vocabulary 6

Element:a basic building block of matter;a pure substance that cannot be broken down into anything simpler