Evidence for Climate Change: The Physics of Climate Change

What does "atmospheric" mean?

• Located in the atmosphere.

• Located outside the atmosphere.

Infrared radiation is a type of...

• Sound Wave

• Mechanical Wave

• Electromagnetic Wave

In what form does the sun's energy reach Earth?

• Electromagnetic Waves

• Mechanical Wave

Why is Earth warm?

• Because the core keeps us warm. 

• Because the sun's heat reflects off the planet. 

• Because the atmosphere traps the electromagnetic rays from the sun.

In short, greenhouse gases...

• Are excellent insulators of heat

• Are excellent conductors of heat. 

Can you visibly see any difference in the gases?

• Yes

• No

Which gases do you think will be transparent to infrared light? 

Transparent to infrared means these will not prevent the heat loss through infrared radiation. 

Evaluate responses using AI:

OFF

Is Nitrogen gas, which makes up 78% of the atmospheric gases, transparent to infrared radiation?

• Yes

• No

Is nitrogen considered a greenhouse gas?

• Yes

• No

Is oxygen transparent to infrared radiation?

• Yes

• No