electricity and circuit

What is a circuit?

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

What is a switch? 

• part of the toaster that you plug into the wall
• an outlet that gives power
• part of a circuit that starts or stops the electricity

A conductor is ____________

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

Tags

NGSS.4-PS3-2

Which of these items radiate heat energy? 

• oven, hair dryer, toaster
• shower, toaster, vacuum
• sun, toaster, TV

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

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

Tags

NGSS.MS-PS3-5

The tiny coiled metal wire present inside the bulb is called ___

• Element

• Conductor

• Filament

• None of these

A combination of two or more electric cells is called _____

• Electric circuit

• Battery

• Terminals

• None of these

An electric bulb has ____ terminals.

• 3

• 4

• 1

• 2

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

• Conductor

• Electric cell

• Insulator

• None of these

Electric energy is produced from the ______ within the cell.

• Chemicals

• Metals

• Terminals

• None of these

Tags

NGSS.HS-LS1-7