Energy Transfer By Heating

Question 1

In a ski jacket, explain what the inner reflective layer is used for.

Answer 1

The silver is reflective against radiation and the shiny surface reflects the infrared radiation back to the body

Question 2

Describe 3 effects on the environment that global warming causes.

Answer 2

• animal habitats are affected
• sea levels rise
• ice caps melt

Question 3

Explain how C02 in the atmosphere leads to global warming

Answer 3

C02 creates a blanket layer in the atmosphere. The infrared radiation can get in but can’t get out, this leads to a temperature change that affects the environment. Making the average global temperature higher than it otherwise would be.