19.2 Sun's Energy 4/21/13

Radition is all the energy that earth recieves from the sun. Some of the energy when can benifit from and the rest can be harmful. Some of forms of radition can cause cancers like skin cancer with too much exposure to the sun's radition. Albedo is the reflection of sun's light into space, for example snow reflects the sun's light. With greenhouse gases, the sun's radition can be trapped in the atmosphere which causes global warming.

1. What is albedo?
    a. reflection of sun's heat
    b. convection of sun's energy
    c. reflection of sun's light

2. What are one of the causes of global warming?
    a. greenhouse gases
    b. albedo
    c. conduction

3. What is the sun's energy called?
    a. greenhouses gases
    b. radition
    c. sun light

http://www.esr.org/outreach/glossary/albedo.html
http://www.eoearth.org/article/Solar_radiation