Energy Transformations and Heat Transfer

In energy transformations, "wasted energy" usually takes what form?

• heat

• chemical energy

• light

• sound waves

The Law of Conservation of Energy states:

• Energy can created or destroyed but not transformed 

• Energy cannot be created or destroyed, it can only transformed

• Energy can't be created, destroyed or transformed

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Hot coffee is stirred with a spoon; the spoon gets hot due to

• conduction

• convection

• radiation

A chair is several feet from a fireplace. The side of the chair facing the fireplace gets warm due to

• conduction

• convection

• radiation

The electrical energy of the stove is transferred to _____ energy.

• Solar

• Thermal

• Potential

• Electrical

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4

Using the image identify the three forms of heat transfer.

• CD - B: CV - C: R

• R - B: CD - C: CV

• CV - B: CD - C: R

• R - B: CV - C: CD

Tags

NGSS.MS-PS1-4

The Electrical Energy of the stove is transferred to _____ Energy.

• Solar

• Thermal

• Potential

• Electrical

Tags

NGSS.MS-PS1-4

"Lava lamps" contain colored liquids. These liquids form globs that rise to the top due to

• conduction

• convection

• radiation

The metal skewer gets so hot that you drop your marshmallow into the campfire because of

• conduction

• convection

• radiation

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4

Near the ceiling of a room the air is warmer; the warm air rises because of

• conduction

• convection

• radiation

Tags

NGSS.MS-ESS2-6