Electricity and Batteries

Jill finds that all of the electric cords in her school are covered in plastic. Why is it important to cover the electric cords with plastic?

• Plastic is an insulator.

• Plastic is a conductor.

• Plastic is strong.

• Plastic will melt.

The object that contains chemicals react to produce electricity, called...

• nuclear

• cables

• batteries

• electrical

Electricity can come from batteries or an...

• electric power station

• handphone

• airplane

• laptop

A power station uses natural fuels to drive generators to produce ...

• heat

• light

• battery

• electricity

The food processor in the picture use ... to slice food into pieces

• batteries

• electricity

• light

• heat

We must ... electricity by switching off electrical equipment when they are not in use.

• overload

• grab

• convert

• conserve

One of simple action to conserve electricity that we can do is ...

• turn all the lights on

• open the refrigerator's door every time we want

• keep the AC on when there is nobody in the room

• switch off all electrical equipment that are not in use

Tags

NGSS.MS-PS3-3

These are how we use electricity safely, except...

• don't touch electricity with wet hands

• use electrical equipment with exposed wires

• don't put too many plugs into one socket

• make sure that electrical equipment have plastic or wooden handles

The meaning of the picture is...

• don't forget to wash your hands

• don't touch electricity with wet hands

• don't touch the wall

• don't touch the hand

Electricity is used in the vacuum cleaner to remove ...

• cloth

• heat

• dust and dirt

• pictures

Tags

NGSS.4-PS3-2