Unit 1 Test

An object is _____ if its position changes.

• in motion

• at reset

• a frame of reference

• magical

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

• motion
• position
• speed
• location

Tags

NGSS.MS-PS3-1

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

Tags

NGSS.MS-PS3-1

What is scalar?

• The observable and measurable quantities are called

• Physical quantity that has only a magnitude

• Physical quantity that has both a magnitude and a direction

Tags

NGSS.MS-PS3-1

What kind of quantity has both a magnitude and a direction?

• scalar
• vector
• frame of reference
• time

Cheryl cycles at an average speed of 8km/h. How far has she traveled if she cycles for 4 hours?

• 55km
• 32km
• 43km
• 32miles

How long was a car traveling if it went 90 miles at a speed of 45 mi/hr?

• 1 hour

• 2 hours

• 3 hours

• 4 hours

What does a horizontal line on a distance-time graph indicate about the object's motion?

• The object is stopped

• The object is accelerating.

• The object is decelerating.

• The object is moving at a constant speed.

Tags

NGSS.MS-PS3-1

If a distance-time graph shows a straight diagonal line going up, what does it suggest about the object's motion?

• The object is moving at a constant speed.

• The object is not moving

• The object is going slower and slower

• The object's speed is constant

What is velocity?

• the quickness of an object
• the location of an object
• acceleration
• speed in a specific direction