Forces & Motion
Newton's Laws
Simple Machines
Energy part 1
Energy part 2
100
This force is a pull that every object exerts on every other object
What is gravity
100
a theory that has been tested many times and the results are always the same
What is a scientific law
100
Work is calculated by multiplying force times this
What is distance
100
Energy that is stored
What is potential energy
100
Thermal energy that travels in waves like rays from the sun
What is radiation
200
Any change in speed or direction
What is acceleration
200
Newton's 1st says that objects at rest want to do this
What is stay at rest
200
The two things that can be unit measures for Work
What is joules or newton-meters
200
Energy of moving things
What is kinetic energy
200
the transfer of kinetic energy from one molecule to another
What is conduction
300
the amount of matter in an object
What is mass
300
Newton's 2nd law says Force is = ?
What is mass times acceleration
300
This simple machine is a modification of another simple machine
What is a screw
300
The total amount of energy of the atoms in an object
What is thermal energy
300
The two main types of temperature scales commonly used
What is Celsius and Fahrenheit
400
the push or pull that opposes motion between two surfaces that are touching each other
What is friction
400
Newton's 3rd law says for every action force there is this
What is an equal and opposite reaction force
400
This is the only simple machine that won't increase your force
What is a pulley
400
Thermal energy that moves from a warmer object to a cooler one
What is heat
400
the transfer of thermal energy by the movement of molecules from one place to another in a gas or liquid
What is convection
500
describes the movement for an entire trip
What is average speed
500
resistance to a change in motion
What is inertia
500
The two things a simple machine can do
What is change the size of the force and change the direction of the force
500
The average amount of kinetic energy of each atom in a sample
What is temperature
500
The energy transformation that takes place when a skier starts down a steep hill
What is from potential to kinetic energy
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