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Thermal Energy Vocabulary

Across
A chemical reaction in which heat is absorbed
Energy transferred between two objects of different temperatures that moves continually in a predictable pattern, from a warmer site to a cooler site, until all sites have reached the same temperature
Transfer of thermal energy that occurs in solids, liquids, and gases when two substances of different temperatures touch
Substance that slows or stops the transfer of heat between high and low temperatures areas
The total kinetic (motion) energy of the tiny particles that make up matter; the faster the particles move, the warmer the matter becomes
Energy that is stored in a system or object
Anything that has volume and mass
The smallest particle of an element; made of electrons, protons, and neutrons
Movement of energy from one system to another
The transfer of energy by the movement of electromagnetic waves or subatomic particles
Down
Average kinetic energy of all the particles in a material; measured by a thermometer in degrees (usually degrees Celsius or degrees Fahrenheit
The ability of a system to do work; required for changes to happen within a system
Heat transfer caused by the rising of hotter, less dense fluids and the falling of cooler, denser fluids
Distinct forms of matter known in everyday experience; solid, liquid, and gas; also referred to as phases
Energy of motion
The simplest unit of a chemical compound that can exist, formed when two or more atoms join together chemically
A substance that allows the flow of electrical charge or transfers thermal energy through matter
A chemical reaction in which heat is released