Motion Unit Review

An object is _____ if its position changes.

• in motion

• at reset

• a frame of reference

• magical

A change in speed over a given period of time is

• velocity

• motion

• speed

• acceleration

Acceleration of an object happens when things ________

• slow down

• go faster

• neither answer is correct

• both answers are correct

The measure of how quickly something moves or the distance it moves in a given amount of time is called

• motion
• position
• speed
• location

A car is driven for 3 hours. What else do you need to know to describe this car’s speed?

• the road the car in driven on
• the time of day
• the distance the car is driven
• the number of passengers in the car

What is the speed of a runner who runs 400 meters in 40 seconds?

• 10 meters/second

• 40 meters/second

• 100 meters/second

• 1,600 meters/second

What two things do you need to find speed (select both)

• distance

• time

• velocity

• direction

SI unit for speed

• Mph

• m/s or km/h

• newtons

• pounds

What does velocity include

• speed

• direction

• distance

• height

24km/hr South is an example of

• speed

• direction

• velocity

• acceleration