What Is Electricity

If too much electricity is moving through wires, they can overheat and start a fire. To prevent this from happening ______________________ can stop electricity from flowing.

• electrons

• circuit breakers

• a highly trained mouse or insect to chew through the wire

• all of the above

Which of these is a conductor, or material that allows electricity to flow through it?

• copper

• silver

• aluminum

• all of the above

An open circuit...

• does let electricity flow through it

• does not let electricity flow through it

• is a place to get free electricity

• can be something that you might get pulled into, like teleport!

What type of energy runs the following objects?

fridge, vacuum cleaner, radio

• Light

• Sound

• Electricity

• Kinetic / Movement

When positive and negative electric charges are equal, they _______

• increase each other.

• cancel each other

• decrease each other

• none of them

Tags

NGSS.MS-PS2-3

__________ is the jumping of charges from one object to another object.

• Electric Discharge

• Electric Current

• Kinetic Energy

• Negatively charged object

__________ is the flow of electric charges.

• Electric Discharge

• Electric Current

• A neutral object

• Lightning

What is the basic unit of electric current?

• Ampere

• Volt

• Ohm

• Watt

Which of the following materials is an insulator?

• Copper

• Rubber

• Aluminum

• Gold

What device is used to measure electric current?

• Voltmeter

• Ammeter

• Ohmmeter

• Thermometer