motion
energy when something is moving
Kinetic energy
A wave that requires a medium
Mechanical wave
formula of power
work/time
what is an example of a lever
crowbar, seesaw, or scissors
example of convection
boiling water
energy that is not being used
potential energy
A wave that does not need a medium
Electromagnetic wave
formula of work
force x distances
example of pulley
doorknob
example of conduction
a metal spoon in a cup of hot tea
when you get faster or slower
acceleration
maximum displacement of a point of the wave
Amplitude
Unit for work
Joules (J)
example of inclined plain
ramp
example of radiation
sunlight heating the earth
when you move and then stop at a different point.
Displacement
the distance between 2 consecutive points in a wave
Wavelength
Definition of power
Power is the rate at which work is performed or energy is transferred.
example of wedge
Axe head
example of chemical energy
eating food
a bow string about to release energy
elastic potential energy
The number of wave cycles
Frequency
definition of work
Work is the transfer of energy that occurs when a force acts on an object to move it a certain distance.
example of a screw
wood screw
energy that heats stuff up
Thermal energy.