Kinetic and Potential Energy Bar Graphs

What form of energy does a compressed spring have?

• heat energy

• kinetic energy

• potential energy

• chemical energy

The rock in the picture is pushed over the edge and it begins to fall. Which type of energy conversion is taking place?

• potential to kinetic

• sound to mechanical

• mechanical to heat

• kinetic to potential

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-2

NGSS.MS-PS3-5

A drawn bow possesses mechanical energy in the form of _______________. After the arrow is released, the energy is transformed into _________________.

• elastic kinetic energy; mechanical kinetic energy

• gravitational potential energy; kinetic energy

• potential energy; mechanical energy

• elastic potential energy; kinetic energy

Tags

NGSS.MS-PS3-2

What situation describes the initial (i) and final (f) state shown by the energy bar graph.

• A phone falls from a table (i) to the floor (f)

• A ball is thrown straight up (i) into the air (f)

• A car driving on a flat road (i) accelerates (f)

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-2

NGSS.MS-PS3-5

What situation describes the initial (i) and final (f) state shown by the energy bar graph.

• A student running to a downhill slip-n-slide (i) slows down as they approach the bottom(f)

• A student running to a downhill slip-n-slide (i) speed up as they approach the bottom (f)

• A student at rest (i) is dragged by their friend down a slip-n-slide

• A student running to a horizontal slip-n-slide (i) has fun slidding to a stop (f)

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-4

NGSS.MS-PS3-5

What situation describes the initial (i) and final (f) state shown by the energy bar graph.

• A student at the top of a hill (i) bikes down the hill (f)

• A student biking towards a hill (i) pedals up a hill at constant speed (f)

• A student biking on a horizontal road (i) pedals to accelerate (f)

• A student biking on a horizontal road (i) loses velocity due to friction (f)

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

An energy bar chart is posted above. Which of the following scenarios could represent the cart?

• A car driving up at hill at constant velocity

• A skydiver falling to the ground at constant velocity after opening their parachute

• A ball rolling down a ramp

• A car applying their brakes on a level surface and coming to a stop

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Which type of energy is represented by the height of a bar in a kinetic energy bar graph?

• Thermal energy

• Kinetic energy

• Potential energy

• Chemical energy

Tags

NGSS.MS-PS3-1

In a potential energy bar graph, what does a taller bar indicate?

• Higher potential energy

• Lower potential energy

• Higher kinetic energy

• Lower kinetic energy

Tags

NGSS.MS-PS3-2

When a ball is thrown upwards, how do the kinetic and potential energy bar graphs change as it reaches its peak?

• Kinetic energy bar decreases, potential energy bar increases

• Kinetic energy bar increases, potential energy bar decreases

• Both bars increase

• Both bars decrease

Tags

NGSS.MS-PS3-2

NGSS.MS-PS3-5