Electricity Revision

a _______ is designed to melt and break the circuit if the current gets too high.

• Fixed resistor

• Diode

• Cell

• Fuse

Resistance is...

• What 'slows down' electrons

• What 'speeds up' electrons

• Moving electrons

• What 'pushes' electrons

What type of current comes from a battery?

• Alternating Current (AC)

• Direct Current (DC)

Why electrical wiring usually are covered with a layer of plastic?

• To make it look pretty

• To help electricity flow along the wire

• To make it safe

• To add more energy

Tags

NGSS.MS-PS1-3

Why is electrical wiring usually made from copper?

• Because copper is shiny

• Because copper conducts electricity

• Because copper is not magnetic

• Because copper insulate electricity

Tags

NGSS.4-PS3-2

NGSS.5-PS1-3

A material that does NOT let electricity pass through it is called ...

• An electrical conductor

• An electrical insulator

• An electrical source

• An electric appliance

Which light will be brighter and why?

• Bulb A because its circuit is closed
• Bulb B because its circuit is closed
• Bulb B because it has more volts
• Bulb A because it has less volts

Tags

NGSS.MS-PS2-3

Which of the following are conductors (there are 2 correct ones)

• Silver

• Plastic

• Copper coin

• Paper

This is an example of a _________ circuit.

• open

• closed

• parallel

• series

Tags

NGSS.HS-PS3-5

Which symbol represents a battery?

• 
• 
• 
•