Pre-Lesson Atmosphere

It is all around you, but you can't see it. It is our ....

• earth

• describe

• and

• have

• atmosphere

You could ............. the atmosphere as an ocean made of air.

• earth

• describe

• and

• have

• atmosphere

Our ....... gives us air to breathe and keeps our planet warm enough to support life.

• earth

• describe

• and

• have

• atmosphere

It is very thin compared to the size of the ........., but it helps to keep our planet nice and warm.

• earth

• describe

• and

• have

• atmosphere

The ............ is pressing down on you and everything else all of the time.

• earth

• describe

• and

• have

• atmosphere

If you .......... ever flown in an airplane or gone for a ride on a mountain road, you might have felt a funny pressure in your ears. After a while, you might have felt your ear "pop".

• earth

• describe

• and

• have

• atmosphere

If you go really high, you might need special equipment because the air is thinner and there is less oxygen for you to ........

• earth

• describe

• breathe

• have

• atmosphere

If we did not have an ......, our planet would be terribly cold at night and incredibly hot during the day.

• atmosphere

• describe

• breathe

• have

• earth

Have you ever seen a picture of astronauts on the surface of the moon? Astronauts need special suits and equipment to allow them to breathe and to protect themselves from temperature changes. We do not need this in Earth, because we have an ........

• breathe

• describe

• atmosphere

• have

• earth

Can we live without an atmosphere?

• YES

• NO