District CFA practice

Which object has the most elastic potential energy?

• a hanging leaf

• a burning coal

• a rolling ball

• a stretched bow

Tags

NGSS.MS-PS3-2

Which number shows least amount of gravitational potential energy?

• three

• two

• four

• five

Tags

NGSS.MS-PS2-4

NGSS.MS-PS3-2

When a pendulum swings, at which point is potential energy at its greatest?

• 2

• 3

• 4

• 1 and 5

Tags

NGSS.MS-PS3-2

The roller coaster cart has the most kinetic energy at position-

• W

• X

• Y

• Z

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Where would this tossed baseball have the least amount of kinetic energy?

• Point W

• Point X

• Point Y

• Point Z

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

As a pendulum swings from its highest to lowest position, what happens to its kinetic and potential energy?

• Both the potential energy and kinetic energy decrease

• The potential energy decreases while the kinetic energy increases

• The kinetic energy decreases while the potential energy increases

• Both the potential energy and kinetic energy increase

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

If all objects are moving as the same speed, which would have the greatest kinetic energy?

• tennis ball

• football

• notebook

• Box of 20 textbooks

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

A student creates a ramp by stacking four blocks and then leaning a meter stick against it. She releases four different balls from the same position on the ramp and calculates their speeds. Based on the information in the table below, which ball would you predict to have the LEAST kinetic energy when it reaches the end of the ramp?

• Golf

• Tennis

• Baseball

• Softball

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-4

The image below shows four soccer balls at different locations on an uneven soccer field. Which ball has the greatest amount of KINETIC energy?

• Ball A

• Ball B

• Ball C

• Ball D

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

A hot air balloon rising is an example of ...

• conduction

• convection

• radiation

• connection

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-3