Chapter 1: Describing Motion

If the library is 2 blocks east of the park and 3 blocks west of the school, where is the school relative to the park?

• 1 block east

• 1 block west

• 5 blocks east

• 5 blocks west

Which of the following would best describe the position of an object in two dimensions?

• Up and down

• North and South

• Right and left

• North and West

If you walk 2 km from your home to the store then back again, what is your displacement?

• 0 km

• 1 km

• 2 km

• 4 km

The graph gives the distance each girl swam with time. Who swam at a constant speed for the entire race?

• Only Julie

• Julie and Mary

• Mary and Kathy

• Only Kathy

Tags

NGSS.MS-PS3-1

If you tell someone that the swing set is 10 m from the dead tree in the direction of the oak tree, what is your reference point?

• The oak tree

• The swing set

• The dead tree

• The 10 meters

What was Julie’s average speed (in meters/second) after 30 minutes?

• 0.33 m/s

• 0.67 m/s

• 1.5 m/s

• 216 m/s

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NGSS.MS-PS3-1

What happened to Julie during the time between 10 and 20 minutes?

• Her speed decreased.

• She finished the race.

• She stopped swimming.

• Her speed increased.

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NGSS.MS-PS3-1

Which line on this graph represents a duck that starts out swimming slowly, then speeds up?

• the blue line

• the black line

• the green line

• the orange line

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NGSS.MS-PS3-1

When does something accelerate in the direction opposite to its direction of motion?

• when it slows down

• when it has stopped

• when it speeds up

• when it travels backwards

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NGSS.MS-PS2-2

What is acceleration?

• Change in speed

• Change in velocity

• Change in position

• Change in direction

Tags

NGSS.MS-PS2-2