Match the following terms with their definitions

• Set of objects "not moving"

• Motion

• The total length of the path

• Reference Frame

• Difference between start and end point

• Distance

• A change in position

• Displacement

Match the following terms with their definitions

• velocity

• distance traveled per unit time

• speed

• a change in velocity

• acceleration

• distance per unit time with direction

Match the following quantity with the unit of measure for that quantity

• meters

• speed

• meters/second

• acceleration

• m/s²

• distance

The unit for displacement is (a)   ​ but the unit for velocity is ​ (b)  

• meters
• m/s

Tags

NGSS.MS-PS3-1

Select all quantities that are vectors (see your notes)

• distance

• displacement

• speed

• velocity

• acceleration

The graph shows the position of a runner over 30 seconds. Select the region of the graph where the runner was resting (not moving).

The graph shows the position of a runner over 30 seconds. Select the region (or regions) of the graph where the runner was moving in the positive direction.

The graph shows the position of a runner over 30 seconds. Select the region (or regions) of the graph where the runner was moving in the negative direction.

Tags

NGSS.MS-PS3-1

The graph shows the position of a runner over 30 seconds. Select the statements that accurately describes the runner's motion.

• The runner ended 20 meters away from where they started

• The runner ended at the same position where they started

• The runner ran a total distance of 90 meters

• The runner ran a total distance of 60 meters.

• The runner ran down, then up, then back down.

A student was standing at her locker. She walked 4 meters to her friend's locker then turned and went back to her own locker. The total distance she walked is

• 0 (zero) meters

• 4 meters

• 8 meters

• Not enough information to answer the question