TEST 7

Front

What is the topmost layer of the atmosphere?

Back

The exosphere.

Front

What is the vapor blanket surrounding the sun that is visible only during a total eclipse?

Back

The corona.

Front

How far is the sun from the earth?

Back

93 million miles.

Front

Which planet was discovered by Sir William Herschel?

Back

Uranus.

Front

Where does the light of the moon come from?

Back

The sun.

Front

What is the name of the layer of the atmosphere where weather occurs?

Back

The troposphere.

Front

What is the name of the second layer of the atmosphere above the troposphere?

Back

The stratosphere.

Front

What is the main source of energy for the Earth?

Back

The sun.

Front

What is the term for the path that the Earth takes around the sun?

Back

Orbit.

Front

What is the name of the force that keeps planets in orbit around the sun?

Back

Gravity.