1
2
3
100

The second object or place is called the ____________.

Reference point

100

The location of an object in relation to a nearby object or place.

Position

100

A push or a pull is a ________.

force

200

______ is a force that pulls objects down to earth.

Gravity

200

_________ tells you how the position of an object changes during a certain amount of time.

Speed

200

Change in position

Motion

300

The speed of an object in a particular direction.

Velocity

300

A force can change an object’s _______ or _______ 

Speed, direction

300

Matter ________ if it speeds up, slows down, or changes direction.

Accelerates

400

Suppose you walk toward the east. If your speed is 2 m/sec, then your velocity is 2 m/sec, ______. 

East

400

_________ is any change in velocity.

Acceleration

400

Any change in the speed or direction of an object’s motion is

Acceleration

500

_________ is a force that acts directly against the direction of motion.

Friction

500

Acceleration of any kind is caused by _______.

Force

500

What is the formula for calculating speed

Distance divided by time
M
e
n
u