Using Electricity

Which example below shows electricity being converted into mechanical energy?

• a motor in a kitchen appliance

• lightening

• clapping

• plugging in a lamp

Tags

NGSS.MS-ETS1-2

In a speaker, electricity flows through a wire inside of a coil, which causes the _____ to move back and forth (vibrate).

• wire

• coil

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NGSS.MS-PS3-5

NGSS.MS-PS4-1

When a speaker coil begins to vibrate, other parts begin to vibrate as well. This vibration is what produces ___ energy that you hear.

• light

• sound

• thermal

Tags

NGSS.MS-PS3-5

NGSS.MS-PS4-1

NGSS.MS-PS4-2

One type of lightbulb uses a ____ which is a thin piece of wire that heats up and glows.

• glass

• screw

• filament

• speaker

Tags

NGSS.MS-PS3-3

When a filament wire uses electricity, it converts that electricity into ___ and light energy.

• sound

• thermal

• mechanical

What kind of light bulb has chemical compounds that glow from electricity?

• filament light bulbs

• fluorescent light bulbs

• dark light bulbs

• invisible light bulbs

What is the name of the heating elements on stoves and heaters?

• light bulb

• air conditioner

• fluid

• resistor

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-3

Refrigerators and air conditioners use electricity to pump ___ through pipes.

• fluid

• oxygen

• ice

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-3

NGSS.MS-PS3-4

In a refrigerator, electricity changes into ___ energy because the fluid is flowing.

• mechanical

• sound

• light

The mechanical energy made by the moving fluid in a refrigerator removes ___ energy by absorbing it into the fluid. This keeps the air cool.

• thermal

• sound

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-3