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Matter and Energy

Matter and Energy Vocab

TermDefinition
heat transfer of thermal energy
conduction heat transfer of energy from one object to another by direct contact
convection flow of energy through a liquid or gas, movement of warm air currents going up and cool currents going down
radiation transfer of thermal energy travels through space without direct contact
matter anything that takes up space, has properties that you can describe
elements building blocks of matter
physical change a change in the state, shape, or size without a change in the matter
chemical change atoms hook up in new ways, creates a new substance
evaporation heat added to liquids changes liquids into vapors such as gas; process by which a liquid becomes a gas
condensation vapors lose heat to condense--changing vapors from gas to liquid
precipitation rain, sleet, hail, snow
transpiration changes liquids into vapors (from plants)
mass volume, density; does not change even if shape changes
Created by: mrscombs