Energy
When particle motion decreases, the volume of the material also decreases. (p. 17)
Thermal Contraction
If a particle is drawn with more motion lines, than the particle is going _______. (p. 14)
Faster
The process when particles in a solid speed up and start to spread out (p. 37)
Melting
All objects are made of what? (p. 10)
Particles
The study of heat (p. 15)
Thermodynamics
When particle motion increases, the volume of the material also increases. (p. 17)
Thermal Expansion
The measure of the average kinetic energy of a group of particles. (p. 17)
Temperature
In what states of matter do particles move? (p. 21)
All of them!, Solid, Liquid, Gas
The ability to cause change (p. 12)
Energy
This unit of energy is commonly used in science (p. 15)
Joule (J)
____________ is energy from motion energy (p. 14)
Kinetic Energy
Impossible to reach, this is the coldest temperature where particles stop moving completely. (p. 18)
Absolute Zero
While a material is changing state, the temperature _________________ (p. 40)
Remains Constant, Stays the same, Doesn't change
The way that particles are arranged in a substance (p. 43)
State of Matter
IN THE FUTURE
The amount of thermal energy transferred from a region of higher temperature to a region of lower temperature is called _____. (p.60)
Heat
Stored energy, you can think of it like a stuffed animal sitting on a high shelf (p. 42)
Potential Energy
Most bridges are built with these to protect against thermal expansion. (p. 25)
Expansion joints
Name the two (2) state changes where particles gain energy and move farther apart (p. 37 & 40)
Melting, Vaporization
These are the two ways that vaporization can occur
(p. 40)
Evaporation & Boiling
When a gas is heated to a really hot temperature, also known as the fourth state of matter
Plasma
A type of energy that depends on both the potential and kinetic energy, as well as the mass of a substance (p. 48)
Thermal Energy
The movement of particles from an area of higher concentration to an area of lower concentration (p. 12)
Diffusion
A heating curve is a graph that shows which two variables? (p. 44-45)
Time & Temperature
Weight is measured by gravity, _____ is measured by the number of particles present (p. 24 & 48)
Mass
The term for when a solid changes state directly into a gas, skipping the liquid phase
Sublimation