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Matter & Heat

The States of Matter and Heating and Cooling

TermDefinition
thermal energy the energy that makes particles move
heat the flow of energy between objects
thermometer a tool used to measure temperature
gas matter that has no definite shape or volume
liquid matter that has a definite volume, but not a definite shape
insulator a material that heat does not move through easily
solid matter that has a definite , or certain, amount os space
conductor a material that heat easily moves through
temperature the measure of how hot or cold something is
What states of matter can change shape? gases and liquids
The more thermal energy an object has, the ___________ the temperature. higher
High temperature = fast particle movement
Low temperature = slow particle movement
When does an object expand? when the temperature increases
When does an object contract? when the temperature decreases
Which state of matter has the particles most closely packed together? solid
Which state of matter has the particles with the most space between them? gas
Examples of conductors items with metal; ex: cooking pans, metal wires
heat always goes from a warmer object to a cooler object
particles what matter is made up of
Created by: elise_kramer