State of matter that has tightly packed particles that vibrate
Solid
State of matter that has packed particles that move around
Liquid
State of matter that has spread out particles that move freely and quickly
Gas
Removing heat from a gas causes _____________
Condensation
Adding heat to a liquid causes ________________
Evaporation
Theory that states all particles that make up matter are constantly in motion
Kinetic theory of matter
Measures the average kinetic energy of particles
Temperature
Measures the total kinetic energy of particles
Thermal energy
Unit used to measure energy
Joules
The transfer of energy from a warmer object to a colder one
Heat
Study of heat movement
Thermodynamics
The comparison of how much matter there is in a certain amount of space
Density
The amount of matter in an object
Mass
The amount of space an object takes up
Volume
_________ objects are more dense
Colder
___________ objects are less dense
Warmer
How thermal energy transfers between solid objects touching
Conduction
A material that transfers heat well
Conductor
A material that does not transfer heat well
Insulator
How thermal energy transfers through liquids and gases
Convection
How thermal energy transfers as electromagnetic waves
Radiation