5th Grade Physical Science Thermal Energy Vocabulary

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energy

the ability to do work

conduction

the flow of heat between objects that are touching

When any form of matter gets warmer

the kinetic energy of the atoms or molecules that make it up increases

radiation

the movement of energy by the electromagnetic waves

heat

the movement of thermal energy from a substance at a higher temperature to one at a lower temperature

convection

the movement of warm liquids or gases to cooler areas

example of radiation

the sun heating the earth/s surface

thermal energy

the total of all the kinetic and potential energy of the atoms in an object

temperature

a measure of thermal energy

a state of matter change

can happen when there is a change of thermal energy

a change in thermal energy

can lead to a state of matter change

Heat moves in three ways

conduction, convection, radiation

example of convection

fireplace or space heater heating the air

Example of conduction

heat plate or stove top heating a pot


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