Speed and Motion Review

Which of these is a force?

• Speed

• Gravity

• Acceleration

• Velocity

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4

How is speed determined?

• Distance divided by time

• Distance divided by acceleration

• Velocity divided by time

• Gravity divided by force

Tags

NGSS.MS-PS3-1

Mrs. Baldwin travels 60 km. It takes her 2 hrs. What is her speed?

• 60 km/hr

• 62 km/hr

• 30 km/hr

• 20 km/hr

Tags

NGSS.MS-PS3-1

How do you know something is in motion?

• Its speed changes.

• Its position changes.

• Its velocity changes.

• Its gravity changes.

If a man walks 10 meters in 2 minutes headed towards the east, what would his velocity be?

• 10 m/min east

• 5 m/min east

• 5 m/min

• 102 m/min east

A ball falls off a desk. What happens to the ball as it falls?

• Its speed and position change.

• Its speed decreases, but its acceleration increases.

• Its speed increases, but its acceleration decreases.

• Its speed and position stay the same.

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4

NGSS.MS-PS3-1

NGSS.MS-PS3-5

What is velocity?

• The rate at which acceleration changes.

• A force that opposes motion between two surfaces that are touching.

• A measure of the speed and direction of a moving object.

• A measure of how fast something moves. The same as speed.

Which of these is a unit of time?

• liter

• kilometer

• ounce

• minute

Which of these is a unit of distance?

• kilometer

• second

• liter

• kilogram

What is friction?

• A unit of distance.

• A unit that measures force.

• A force that pulls things down.

• A force that opposes motion between two surfaces that are touching.