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chapter 10

heat energy

Freezing changing from a liquid to solid
Evaporation/Vaporization changing liquid to a gas
Energy the ability to move matter
Kinetic energy energy of a moving object
Potential energy energy stored in an object (Energy of an object sitting still)
Temperature average kinetic energy of molecules which tells us how hot or cold something is. Measures Heat
Heat A form of energy that flows between two objects that have different temperatures
Radiation Transfer of energy by electromagnetic waves (sun)
Conduction Movement of energy through direct contact (solids)
Insulation Preventing heat from flowing in or out of a material (poor conductor)
Thermal expansion Matter expands when the temperature is raised
Pressure The force on each unit of area of a surface
Melting Changing from a solid to liquid
Condensation Changing from gas to liquid
Forms of energy Solar, wind, geothermal, nuclear, hydroelectric
Solar cell Captures sunlight to make energy
fault a huge crack in the earth's surface
focus the point where an earthquake starts
seismic wave a vibration that spreads out
epicenter the point on earth's surface
aftershock shaking of the earths crust after an earthquake
magnitude the brightness of a star
vent the center opening in a volcano
lava magma that rescues earth's surface
crater a cup like substance
hot spot a very hot part of a volcanic
cinder-cone volcano a sleep sided cone that forms
shield volcano a wide gently slope that slides
composite volcano cone formed from explosives
geothermal energy heat from below earth's surface
Created by: 17ameyer