The Wonders of Our Atmosphere

The main function of a magnetic compass in a watch is to determine:

• 
• 
• 
• 

Plants give out oxygen during a process called

What is the role of the ozone layer in the atmosphere?

• It blocks harmful ultraviolet rays from the sun.

• It traps heat in the atmosphere.

• It distributes heat and moisture around the planet.

• It exerts force by the weight of air.

Which layer of the atmosphere is responsible for blocking harmful ultraviolet rays?

• Troposphere

• Stratosphere

• Mesosphere

• Thermosphere

"What words come to mind when you think of a peaceful atmosphere?"