Show:
chapter 15
chapter 16
chapter 17
chapter 18
100
what is motion?
change in objects position
100
what is energy?
ability to do work
100
what is thermal energy?
total kinetic energy of the particles that make up a material
100
what is static electricity?
electric force between non-moving electric charges
200
what is a force?
1. push or pull that acts on object 2. what they use in star wars
200
what is kinetic energy?
energy in moving object
200
what is temperature?
average kinetic energy that make up a material
200
what is an electric current?
continuos flow of electric charge through a pathway
300
what is speed?
measure of distance it moves in amount of time
300
what is potential energy?
energy stored in object
300
what is heat?
thermal energy from warmer regions of matter goes to cooler regions of matter
300
what is an electric generator?
device that converts mechanical energy to electric energy
400
what is velocity?
measure of objects speed and direction
400
what is visible light?
radiation that humans can see
400
what is conduction?
transfer of thermal energy to direct contact
400
what is a conductor?
object that converts electricity well
500
what is acceleration?
change in objects velocity
500
what is a reflection?
when a wave bounces off a object
500
what is radiation?
transfer of energy by electromagnetic waves
500
what is a insulator?
object that converts electricity badly