Electricity and Circuits

For electrical energy to flow, there must be a(n) ______.

• good battery
• copper wire
• on/off switch
• closed circuit

What is a circuit?

• an outlet or switch
• a path which an electric current flows
• a poor conductor

What is an electric current? 

• the flow of electricity 
• electricity moving in only one direction
• a switch that gives power

A conductor is ____________

• something that allows electric current to flow easily
• something that limits the flow of electricity

A material which does not allow the electricity to pass through it is _____

• Conductor

• Electric cell

• Insulator

• None of these

The potential difference that causes charges to move in a circuit is ___.

• voltage
• resistance
• current
• electric discharge

A neutral object becomes negatively charged when it loses electrons.

• true
• false

Tags

NGSS.MS-PS2-3

What do we call the flow of electricity around a circuit?

• electric current

• insulator

• conductor

• electric circuit

In order for electricity to flow, the circuit needs to be ________________.

• open

• closed

• simple

• parallel

If a substance has a higher number of electrons than protons on its surface, what type of charge does it have?

• A positive charge.
• A negative charge.
• A neutral charge
• No charge at all