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### 20 Cards in this Set

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 Order these from smallest density to largest: Alcohol(.79), Oil(.9), Cork(.2), Marble(2.7), Helium, Tallow(.97) Marble, Tallow, Oil, Alcohol, Cork, Helium which has least thermal energy? solids Order from least-most thermal energy Solids, liquids, gases Solids have definite what? Shape and volume What is temperature?? Average measure of the kinetic energy the particles of a substance have What always flows from a hotter substance to a cooler? Energy Melting is the change from a.......... to a ............. solid to a liquid Why do solids have a definite shape and volume? Because their particles are vibrating closely together in a fixed position Solids compress and... expand the 3 ways heat moves around the universe is... convection, conduction, and radiation Order these from smallest density to largest: Alcohol(.79), Oil(.9), Cork(.2), Marble(2.7), Helium, Tallow(.97) Marble, Tallow, Oil, Alcohol, Cork, Helium which has least thermal energy? solids Order from least-most thermal energy Solids, liquids, gases Solids have definite what? Shape and volume What is temperature?? Average measure of the kinetic energy the particles of a substance have What always flows from a hotter substance to a cooler? Energy Melting is the change from a.......... to a ............. solid to a liquid Why do solids have a definite shape and volume? Because their particles are vibrating closely together in a fixed position Solids compress and... expand the 3 ways heat moves around the universe is... convection, conduction, and radiation