Energy Conversion

What kind of input energy does an electric lamp have?

• light energy

• electrical energy

• motion energy

• sound energy

Devices will not have enough energy to function if _____________energy is needed from the system than what is put in the system.

• input

• less

• output

• more

Tags

NGSS.MS-PS3-5

NGSS.MS-PS3-3

Refrigerators, dryers, blenders, microwaves and toasters are converters that all have what in common.

• They all have an output of motion energy.

• Sound energy is converted to electrical energy devices.

• Thermal energy is the input energy for all devices.

• Electrical energy is the input energy for all the devices.

When a device is converting one type of energy to another type, what is another word that means the same as converting?

• applying

• bonding

• changing

• keeping

Tags

NGSS.MS-PS3-5

Energy always has a _______from which it comes or begins.

• power

• fuel

• heat

• source

Tags

NGSS.MS-ESS3-1

What is the function of a radio?

• to play music

• to cook

• to listen to music

• to warm up the room

Tags

NGSS.MS-PS4-3

What form of output energy does an electric fan use?

• motion

• thermal

• electrical

• chemical

What form of out energy does an electric motor use?

• motion

• thermal

• electrical

• chemical

When there is a storm towns may have blackouts because something goes wrong with their electrical system. What is the best evidence that would support the claim that something went wrong with their electrical system?

• After the blackout, all the lights come back on.

• The storm knocked down all the power lines.

• The electrical grid connected to the skyscrapper fails to work properly.

• The mayor of the town turns the electricity off to save energy .

Tags

NGSS.MS-ESS3-2

When you rub your hands together really fast, they are getting hot and converting to what form of energy?

• Chemical

• Motion

• Thermal

• Sound

Tags

NGSS.MS-PS3-5

NGSS.MS-PS3-4

NGSS.MS-PS1-4