Grade 7 Unit 10

Remember to __________ the lights before going to bed.

• turn

• turn on

• turn off

• stop

Nuclear power is expensive and dangerous __________ our environment.

• for

• to

• in

• with

“Why is it called a__________ source?” - “Because it can be replaced easily and quickly.”

• renewable

• non-renewable

• effective

• specific

The wind, the sun, and the wave are some types of __________ sources of energy.

• cheap

• costly

• changeable

• alternative

We must__________ the amount of water our family use every day.

• lessen

• narrow

• lower

• reduce

We should put__________ on our roof for the heating and hot water.

• equipment   

• cracks

• solar energy

• solar panels

Biogas is__________ and cheap for cooking and heating.

• serious

• expensive

• plenty

• abundant

It is a good idea to use__________ when travelling long distances.

• private cars     

• public transport

• cars

• taxis

Fossil fuels are very common in our society but they__________ the environment.

• waste

• pollute

• renew

• provide

We are looking for cheap, clean and__________ sources of energy.

• serious       

• efficient

• effective

• dangerous