Earth's Energy Budget

1. How much of the sun's energy does the earth reflect?

• 51%
• 100%
• 30%
• 19%

2. How much of the sun's energy is absorbed into the land?

• 100%
• 51%
• 19%
• 30%

3. Which of the following types of radiation is responsible for sun burns?

• Infrared
• Ultraviolet
• Visible Light

4.Which type of solar radiation is used in thermal technology and cannot be seen.

• Infrared
• Ultraviolet
• Visible Light

6. Which of these colors has the longest wavelength?

• orange
• yellow
• red
• violet
• blue

7. Solar radiation that we see in color form

• Infrared
• Ultraviolet
• Visible

8. _____________________ is the trapping of heat in the Earth's atmosphere by gasses such as CO2 and water vapor

• heat transfer
• greenhouse effect
• solar radiation
• radiation reflection

9. What can cause an increase in greenhouse gasses such as CO2 in the atmosphere?

• planting crops
• burning fossil fuels
• riding bicycles
• using hydropower

Match the following

• infrared

• energy from the sun that travels through space in waves

• visible light

• wavelengths that can be seen with the human eye

• solar radiation

• long wavelength, low energy

• ultraviolet
• short wavelength, high energy

Where does the Earth receive the most direct radiation from the sun?