Electricity and Magnets

Electrical power can be changed to energy of sound using which of these devices?

• Lamp

• Radio

• Charger

• Stove

You walk across the carpet on a cold, dry day.  When you touch a metal door knob, you see a spark of light and feel a small shock.  What form of energy have you just experienced?

• Magnetism

• Static Electricity

• Lightning

• Gravity

A light bulb changes electrical energy into ____

• Light energy only.

• Heat energy only.

• Light and heat energy.

• Sound

When you rub a balloon on your sleeve, it will stick to your sleeve.  This is an example of ___.

• Magnetism

• Sound Energy

• Static Electricity

• Gravity

 A toaster changes electrical energy into what form of energy?

• Sound Energy

• Heat Energy

Two positive charges will_____ eachother.

• Repel

• Attract

A positive and a negative charge will ___ each other.

• Attract

• Repel

Tags

NGSS.MS-PS2-3

A ___ is the movement of static electricity from one object to another.

• Current

• Circuit

• Discharge

• Static

Which of the following can be attracted to a magnet?

• Sand

• Glass

• Iron Needle

• Yarn

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

If an object is being pulled toward a magnet, what can we say about the object?

• It is being attracted.

• It is being repelled.

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5