Circuits and Conductors

Which part of a circuit provides the power?

• Bulb

• Battery

• Wires

• Buzzer

Which of these appliances can be powered by batteries?

• Washing machine

• Dishwasher

• Clock

• Kettle

Which of these materials is a conductor?

• Wooden spoon

• Rubber

• Mug

• Coin

Which of these materials is an insulator?

• Plastic comb

• Key

• Teaspoon

• Paperclip

Why is plastic uses on the outside of many electrical appliances.

• Because it is easy to shape

• Because it is an insulator

• Because it looks good

• Because it is cheap

Tags

NGSS.MS-PS3-3

Which of these types of materials are generally good conductors?

• Metal

• Stone

• Wood

• Plastic

How could you make a bulb brighter in a circuit?

• Add more wires

• Add more bulbs

• Add more batteries

• Add more buzzers

Which room is electricity most dangerous in?

• Bathroom

• Garage

• Living Room

• Bedroom

A hazard is a source or a situation with the potential for harm in terms of human injury or ill-health, damage to property, damage to the environment.

• True

• False

Tags

NGSS.MS-ESS3-2

Electrical cords can be used on a permanent basis.

• True

• False