a push or a pull
force
negatively charged particle found in outer part of an atom
electron
type of matter through which a wave moves
medium
phase of matter with a defined shape and volume
smallest particle of an element
atom
amount of matter in a substance
mass
material that transfers thermal and/or electrical energy well
conductor
electromagnetic wave
phase change from gas to liquid
condensation
elements near the left side of the periodic table
metals
distance traveled in a certain amount of time
speed
device that changes electrical energy into mechanical energy
motor
bouncing of a wave off of a surface
reflection
circular transfer of thermal energy through a fluid
convection
two or more different types of atoms that are chemically bonded
compound
speeding up, slowing down, or changing direction
acceleration
induction
measure of how much energy an EM wave has
frequency
change that does not change the identity of the substance
physical change
horizontal row on the periodic table; elements are not similar to one another
period
tendency for an object to resist change in its motion
inertia
force of resistance between two surfaces rubbing together
friction
measure of how much energy a sound wave has
amplitude
solid that forms during a chemical change
precipitate
two or more substances that are physically combined; nonuniform
heterogeneous mixture