GRADE 5 AIR

The Ozone Layer helps protect us from _________.

• sun's radiation

• meteors

• weather Balloons

• rain

The atmosphere is made up of mostly _________________.

• Nitrogen

• Oxygen

• Hydrogen

• Sun

The first layer of the atmosphere is __________.

• mesosphere

• troposphere

• stratosphere

• thermosphere

The top and outer layer in the atmosphere is the thinnest and 10,000 km from the Earth's surface.

• Exosphere

• Stratosphere

• Thermosphere

• Troposphere

The ozone layer is found in which layer.

• troposphere

• mesosphere

• stratosphere

• thermosphere

A mixture of gases that surrounds the Earth like a blanket is called ____________

• atmosphere

• troposphere

• ozone

• nitrogen

The gas in the atmosphere that protects the Earth from the Sun's rays is known as _________________.

• atmosphere

• troposphere

• ozone

• nitrogen

Which layer of the atmosphere do we live in?

• troposhphere

• mesosphere

• stratosphere

• exosphere

Airplanes fly in the ___________________

• troposhphere

• mesosphere

• stratosphere

• exosphere

Air takes up space and ___________ pressure.

• raises

• lowers

• exerts

• provides