Earth's atmosphere

1. What is the atmosphere?

• A layer of gas that surrounds the Earth

• The sky

• The five layers

• The area where planes fly

2. How many layers are in the atmosphere?

(a)  

3. What helps protect the Earth from the Sun's radiation?

• Exosphere

• Thermosphere

• Ozone layer

• Atmosphere

4. When is the air pressure higher?

• When it is closer to the Earth

• When it is further away from the Earth

5. Which layer is closest to the Earth?

• Exosphere

• Thermosphere

• Troposphere

• Stratosphere

6. Which layer has the ozone layer in it?

• Stratosphere

• Mesosphere

• Exosphere

• Thermosphere

7. Which layer is the coldest and protects the Earth from meteroids?

• Exosphere

• Thermosphere

• Mesosphere

• Stratosphere

8. Which layer is the hottest atmospheric layer?

• Exosphere

• Stratosphere

• Thermosphere

• Mesosphere

9. Which layer is the furthest away from Earth?

• Thermosphere

• Exosphere

• Stratosphere

• Mesosphere

10. What is the atmosphere made up of?

• Nitrogen

• Oxygen

• Argon

• Carbon Dioxide