Chapter 1 - Describing Motion

LT2: Grayson walks 5 meters in 5 seconds. What is his average speed? 

• 25 m/sec
• 1 m/sec
• 5 m/sec
• .25 m/sec

A place or object used for comparison to determine if another object is in motion is called a

• comparison point
• reference point
• point of view
• motion detector

On a distance-time graph, a horizontal line ALWAYS indicates that an object has _____.

• stopped moving

• turned around

• increasing

• decreasing

When something has speed in a certain direction it is called ___________.

• motion
• position
• velocity
• speed

Acceleration of an object happens when things ________

• slow down
• go faster
• change direction (turn)
• All of the above

Tags

NGSS.MS-PS2-2

LT1 Which would NOT make a good reference point? 

• Becker Middle School
• A chair
• A moving child

On a distance vs. time graph, the steeper the slope _____

• the slower the speed
• the faster the speed
• less acceleration
• greater acceleration

Tags

NGSS.MS-PS3-1

The change of position over time is called

• position
• motion
• speed
• location

Tags

NGSS.MS-PS2-2

Speed is equal to the distance divided by

• position
• time
• height
• motion

Tags

NGSS.MS-PS3-1

If Bj is walking 3 m/s to the north and Lauren is walking 3 m/s to the west, then which of the following is true

• They have the same speed and different velocities
• They have the same velocity and different speeds
• They have the same speed and velocity
• They have different speeds and different velocities