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3-2
3-3
3-4
Extra
100
Potential Energy
stored energy
100
Fuel
a material that can be burned to release energy
100
Speed
a measure of how quickly an object changes its position
100
Density
the amount of matter in a unit volume
100
energy
the ability to cause change
200
Light Energy (Radiant Energy)
The energy carried by light waves
200
Force
A push or pull that one object exerts on another object
200
Thermal expantion
increase in the volume of a substance when the temperature increases
200
Radiation
transfer of thermal energy by electromagnetic waves
200
Kinetic Energy
the energy an object has because it is moving
300
Elastic Potential Energy
energy stored when an object is stretched or compressed
300
Friction
force that opposes the sliding of two surfaces in contact
300
Temperature
measure of average kinetic energy of the particles in a material
300
Conductor
a material in which thermal energy moves quickly
300
Chemical Potential Energy
the energy stored in bonds between the atoms that make up matter. Ex: food, candle
400
Thermal Energy
energy that moves from one place to another because of differences in temperature
400
Work
transfer of energy when a push or pull makes an object move
400
Gravitational Potential Energy
depends on an objects mass and its height above the ground; due to the downwards pull of Earth's gravity
400
fluid
a material made of particles that can easily change their locations
400
conduction
the transfer of thermal energy by collisions between particles in matter
500
Gravity
attractive force between two objects that depends on the masses of the objects and the distance between them
500
Wave
a disterbance in a material that transfers energy without transferring matter.
500
Heat
the movement of thermal energy from an object at a higher temperature to an object at a lower temperature
500
Convection current
the circular motion in a a fluid that results when the fluid is heated from below
500
Convection
transfer of thermal energy by the movement of matter from one place to another
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