Motion, Speed and Graphing Quiz

What best describes motion?

• Change of speed over time

• Change in position over time

• Change of acceleration over time

• Change in velocity over time

Why do scientists use a reference point?

• To determine if an object is in motion

• To find information in the library

• To know where they are

• To measure speed

Which best explains why the cyclists (#3) cannot be used as a good reference point?

• It is heading in the wrong direction

• It is moving too slow

• It is moving too fast

• A good reference point should not move

A mother is on the train. To the boy, she looks like she is moving. To the mother, she isn’t. Why are the perspectives different?

• Distance

• Frame of reference

• Reference point

• Speed

What is the average speed of a cheetah that sprints 100m in 10s?

• 1 m/s

• 10 mph

• 10 m/s

• 100 m/s

The rollercoaster travels at 100mph. How long will it take to travel 200 miles?

• 1 hour

• 2 hours

• 0.5 hours

• 4 hours

How far can an airplane travel in 3 hours if their speed is 460 mph.

• 1,840 miles

• 153.3 miles

• 1,380 miles

• 250 miles

You are riding your bike, from point A to B and then to C. Which number shows the displacement from your starting point to point C?

• 3 m

• 4 m

• 5 m

• 7 m

Use the graph to answer the question: What could explain the graph that occurs during 0-2 seconds?

• The object is moving at constant speed.

• The object is not moving.

• The object is accelerating.

• The object is decelerating.

Tags

NGSS.MS-PS3-1

At what times is the object stopped?

• 0-3 seconds

• 3-11 seconds

• 11-16 seconds

• Answers A & C

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5