grade 8 motion

If you were riding in a car down a city street, which point of reference would NOT allow you to detect that the car was moving?

• buildings along the street

• the driver of the car

A description of an object’s position should include which three things?

• reference point, distance, and direction

• reference point, speed, and distance

What SI unit would be most appropriate for measuring the distance between New York City and Chicago?

• kilometer

• mile

What does the head of the arrow show if motion is represented by an arrow?

• direction

• position

Which word could be used to describe the direction of a moving object?

• fast

• forward

What does a reference point help identify?

• acceleration

• position

What is the SI unit for speed?

• m/s

• s/m

If the slope of a distance-time graph is steep, then the speed of the object must be

• fast

• slow

Speed depends on how far something travels and what?

• how steep its route is

• how much time it takes to travel that far

• which direction it travels

• the vehicle you are in

What is your average speed if you travel 500 kilometers in 5 hours?

• 250 km/h

• 5 km/h

• 100 km/h