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Chapter 4 CPOScience

QuestionAnswer
a group of atoms molecule
energy of motion kinetic energy
a form of energy caused by the motion of atoms and molecules heat
a measure of the average speed of a sample containing lots of atoms temperature
The average speed of atoms in a hot object fast
The average speed of atoms in a cold object slow
a place where electricity is generated power plant
Most of the energy used by a light bulb becomes heat energy
transfer of heat through the motion of liquids and gases convection
transfer of heat by direct contact of atoms and molecules conduction
heat transfer that involves energy waves and no direct contact or movement by atoms radiation
The Sun’s heat reaches Earth by radiation
Most of Earth’s internal heat comes from the core
Earth’s surface heat comes from the Sun
energy leaves the Sun as radiant energy that is mostly visible light
is used to measure the average speed of the atoms in an object thermometer
Created by: mrsanderson
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