مفردات: Unit 4: Our planet

Please .......... the lights when you leave the room to save energy.

There was no rain for months, so there was a terrible .......... .

At our school, we .......... paper, plastic, glass and other materials.

If we don't .......... the environment, we'll have problems in the future.

A lot of people .......... energy by leaving on lights all the time.

Scientists think people's activities are causing global .......... .

We're learning about climate .......... in Science at school.

Air .......... from cars and factories is very bad for the environment.

Please .......... the lights when you go out.

Could you please .......... those bottles and put them in the bin?

It's a good idea to .......... trees in your garden.

Try to .......... water when you brush your teeth.

If we cut down too many trees, we will .......... the forests.

People often use .......... energy, like solar energy, in sunny countries.

A .......... is a long time without rain.

There's a .......... when there's a lot of rain and water covers land and buildings.

A .......... is a very large wave that follows an earthquake in the sea.

A .......... is a period with extremely high temperatures.

An .......... is when lots of snow and ice fall from the side of a mountain.

A .......... is a very strong wind that goes around in a circle, and it lasts longer than a tornado.

A .......... is a mountain with a hole at the top through which lava, gases and dust come out.

A .......... is when it snows heavily and there's a strong wind at the same time.

If there's an earthquake, you should get .......... a table.

Please get .......... the car. We have to leave now.

Why did he get .......... so early? Because the storm woke him up.