Unit 7-8 Review

If a volcano is erupting, it is an _______ volcano.

• dormant

• active

• crater

• extinct

In which layer of the Earth do we live?

• crust

• mantle

• outer core

• inner core

After an eruption, ash may ___ the area around a volcano.

• erupt

• calm

• cover

• explode

Find a word with the wrong spelling.

• reduce

• natural

• landfil

• conserve

Combine these sentences into one sentence.

People evacuate.

The volcano erupts.

• People evacuate, if the volcano erupts.

• If people evacuate, the volcano will erupt.

• If the volcano erupts, people will evacuate.

Complete the sentence with its passive form.

Chemicals _______ ( must, keep) in closed bottles or cans.

• must kept

• must be keep

• must be kept

• must keep

Complete the sentence with its passive form.

Recycled metal _______ to make bike parts.

• can be use

• can be used

• can used

• can use

Find a word with the wrong spelling.

• chemicals

• carboard

• metal

• recycle

Combine these sentences into one sentence.

I give you presents.

You win the competition.

• I will give you presents if you win the competition.

• You will win the competition if I give you presents.

• I will give you presents, if you win the competition.

Which sentence is correct?

• Houses can be build from renewable materials.

• New cars must be designed to run more efficiently.

• Natural materials must used more often.