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PS 05c Heat & Temper

8th Grade 2022

QuestionAnswer
State of water that has a definite shape and definite volume. Ice
State of matter where the atoms are locked in position and only vibrate. Solid
State of matter that has a definite volume but takes the shape of the container. Liquid
State of matter that has no definite shape and no definite volume. Gas or Plasma
State of matter where that atoms move around freely and collide frequently. Gas
State of matter that is super high energy and made of ions (charged particles). (Found in Stars, Lightning, etc.) Plasma
The AVERAGE kinetic energy of a substance. Temperature
The TOTAL kinetic energy of a substance. Heat
Heat always travels from the ___ material to the ___ material. Hotter to Cooler
Water boils at 100 and freezes at 0. Used in most countries around the world. Celsius Scale
Water boils at 212 and freezes at 32. Used primarily in the United States. Fahrenheit Scale
0 is the lowest possible temperature (Absolute Zero). There are no negative values in this scale. Used primarily by some scientists (physicists). Kelvin Scale
The coldest possible temperature in the universe. The only time when atoms actually stop moving completely. Zero kinetic energy. (0K, -273C, -460F) Absolute Zero
Heat transfer by direct contact (touch) between surfaces. Heat transfer through a solid. Conduction
Heat transfer by the movement of liquid or gas currents. Warm currents rise, cold currents sink due to density. Convection
Phase change from a liquid to a solid. (Removing energy) Freezing
Phase change from a solid to a liquid. (Adding energy) Melting
Phase change from a liquid to a gas. (Adding energy) Vaporization (Boiling/Evaporation)
Phase change from a gas to a liquid. (Removing energy) Condensation
Phase change from a solid to a gas. (Adding energy) Sublimation
Phase change from a gas to a solid. (Removing energy) Deposition
What happens to the temperature of matter during a phase change? it stays the same
What happens to the temperature of matter when it is all solid, all liquid, or all gas? It changes
Heat transfer through empty space (vacuum) by electromagnetic waves. (Heat from the Sun, from a fire, etc) Radiation
States of matter from the lowest kinetic energy to the highest kinetic energy. Solid to Liquid to Gas to Plasma
Created by: Mr. Dornfeld
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