Understanding Speed and Motion

What is the main difference between constant speed and changing speed?

• Changing speed is always faster than constant speed.

• Both constant and changing speed remain the same throughout the journey.

• Constant speed varies over time, while changing speed remains the same.

• Constant speed remains the same throughout the journey, while changing speed varies.

In Sam's journey to school, what was his speed in each section?

• 5 meters per second

• 15 meters per second

• 20 meters per second

• 10 meters per second

What does Sam's journey illustrate about constant speed?

• Speed varies in each section.

• Speed remains constant in each section.

• Speed decreases in each section.

• Speed increases in each section.

In Johnny's journey, what was his speed in the third section?

• 3 meters per second

• 2 meters per second

• 1.5 meters per second

• 1 meter per second

What does Johnny's journey demonstrate about changing speed?

• Speed remains constant throughout.

• Speed decreases over time.

• Speed varies in different sections.

• Speed is always increasing.

What does a straight line on a distance-time graph indicate?

• Changing speed

• No movement

• Constant speed

• Decreasing speed

How can you tell which car is faster in a distance-time graph?

• The car with the longer line is faster.

• The car with the flatter line is faster.

• The car with the steeper line is faster.

• The car with the shorter line is faster.

What does a curve on a distance-time graph signify?

• Slowing down

• No movement

• Speeding up

• Constant speed

In the photograph of the owl, what does equal spacing between images indicate?

• The owl is moving at a constant speed.

• The owl is slowing down.

• The owl is speeding up.

• The owl is not moving.

What does increasing spacing between images of a rolling ball indicate?

• The ball is slowing down.

• The ball is moving at a constant speed.

• The ball is speeding up.

• The ball is not moving.