4. PS.1

Front

the power or ability that makes things work and move

Back

energy

Front

how fast something is moving, or its rate of motion?

Back

speed

Front

Which word means...movement?

Back

motion

Front

What is the speed equation?

Back

distance/time

Front

Which word means ...a connection or interaction between two or more things?

Back

relationship

Front

a clue that helps prove or show if something is true

Back

evidence

Front

What word means...when something's speed or direction changes?

Back

acceleration

Front

something that can change or be different?

Back

variable

Front

Frame of reference or reference point

Back

a place or object used to determine if an object is in motion.