Teens 5 - Unit 6 - Review

Deserts will ____________________ (become bigger) when temperatures increase.

• decrease

• expand

• disappear

• rise

• shrink

Do you think that the ocean levels will ____________________ (get higher) in the next ten years?

• decrease

• expand

• disappear

• rise

• shrink

What will happen when food supplies ____________________ (get smaller)?

• decrease

• expand

• disappear

• rise

• shrink

The number of polar bears will probably ____________________ (go down) in twenty years.

• decrease

• expand

• disappear

• rise

• shrink

Do you think that seals will completely ____________________ (become extinct) when the polar ice caps melt?

• decrease

• expand

• disappear

• rise

• shrink

I think global warming will make our lives harder. It will be hotter, so there will be ___ deserts.

• more

• fewer

• less

I think farmland will shrink so there will be ___ food.

• more

• fewer

• less

There will be ___ rain. When freshwater levels fall, deserts will expand.

• more

• fewer

• less

If we don't recycle our paper, there will be ___ trees.

• more

• fewer

• less

We can turn off the lights and the TV when we aren't using them. If we do that, we will save ___ energy!

• more

• fewer

• less