Unit 2.2 Force&Motion: Energy

Which of the following is true about Photosynthesis?

• A plant cell converts radiant energy to chemical energy.

• Photosynthesis converts chemical energy into light energy.

• There are no energy transformations during photosynthesis

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

What energy transformations are happening in this scenario? You eat lunch. Then you rub your hands together very quickly so they get warm.

• Thermal to mechanical to chemical

• Chemical to thermal to mechanical

• Chemical to mechanical to thermal

• Mechanical to chemical to thermal

A running motion is what type of energy?

• Chemical

• Thermal

• Electric

• Mechanical

What does the law of conservation of energy state?

• Energy can be created and destroyed.

• Energy can only be created.

• Energy can only be destroyed.

• Energy can neither be created nor destroyed, only converted from one form to another.

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Which of the following is an example of potential energy?

• Running water

• A moving car

• Stretched rubber band

• Glowing light bulb

Tags

NGSS.MS-PS3-2

What is kinetic energy?

• Stored energy

• Energy in motion

• Potential energy

• Heat energy

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Which type of potential energy is associated with the height of an object above the ground?

• Elastic potential energy

• Chemical potential energy

• Gravitational potential energy

• Nuclear potential energy

Tags

NGSS.MS-PS3-2

What type of wave is characterized by particle motion being perpendicular to wave motion? (Does not need a medium)

• Longitudinal wave

• Mechanical wave

• Transverse wave

• Electrical wave

In which of the following examples is elastic potential energy?

• A stretched rubber band

• A swinging pendulum

• A bouncing ball

• A stationary rock

Tags

NGSS.MS-PS3-2

What type of wave is characterized by particles that move in a direction parallel to wave motion? (Needs a medium)

• Transverse wave

• Mechanical wave

• Longitudinal wave

• Electromagnetic wave