Unit 4 – Energy + Heat Review

If you are burning wood in a fireplace, what energy is NOT in this system: wood, fireplace, environment?

• Thermal

• Chemical

• Nuclear

• Sound

Tags

NGSS.HS-PS3-4

If you are burning wood in a fireplace, what type of heat transfer do you receive from JUST the fire?

• Conduction

• Convection

• Radiation

• Thermal conductivity

Tags

NGSS.HS-PS3-4

What does it mean when energy is conserved?

• The TOTAL energy can change.

• You have to reduce your energy usage.

• Doesn't mean anything.

• The TOTAL energy doesn't change.

Tags

NGSS.HS-PS1-7

If the mass of the button is 23 kg, what is the GPE at Position A? Refer to the Fig. below.

• 5566 J

• 6311.2 J

• 644 J

• 14168 J

Tags

NGSS.MS-PS2-4

NGSS.MS-PS3-2

If the mass of the button is 23 kg, what is the KE at Position A? Refer to the Fig. below.

• 5566 J

• 11132 J

• 253 J

• 2371.6 J

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

If the mass of the button is 23 kg, what is the GPE at Position B?

• 322 J

• 7084 J

• 3155.6 J

• 11877.2 J

Tags

NGSS.MS-PS3-2

If the mass of the button is 23 kg and energy is conserved, what is the KE at Position B?

• 8721.6 J

• 5566 J

• Not enough information

• 11877.2 J

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

If the mass of the button is 23 kg, what is the GPE at Position C? Refer to the Fig. below.

• 8721.6 J

• 0 J

• 4958.8 J

• 11877.2 J

If the mass of the button is 23 kg and energy is conserved, what is the KE at Position C? Refer to the Fig. below.

• 6311.2 J

• 0 J

• Not enough information

• 11877.2 J

Tags

NGSS.MS-PS3-1

When we touch objects, we are feeling...

• Temperature

• Thermal conductivity

• None of the above