Solar Energy Quiz

What is solar energy?

• Energy produced by wind

• Energy produced by the sun

• Energy produced by the moon

• Energy produced by water

Why is Solar Power considered renewable?

• The sun radiates more energy in one day than the world uses in one year

• Nuclear Fission

• The Ozone Layer enhances UV rays

• Atmospheric Gases hold in radiant heat

Where does the energy radiated by the sun come from?

• From chemical reactions in the sun

• Hydrogen atoms combining to form Helium

• From geothermal sources

• From burning fossil fuels

How long does it take for the energy in the sun's core to travel 93 million miles to Earth?

• 8 minutes

• 1 hour

• 1 week

• 1 day

What percentage of the sun's energy that hits the Earth is reflected back into space?

• 50%

• 25%

• 30%

• 70%

Another 25% of the sun's energy is used for what?

• Creating electricity

• Producing rainfall via evaporation

• Creating wind power

• Burning earth's citizens

What percentage of solar power supplies our energy needs?

• 0.5%

• <2.0%

• 5%

• 10%

Why did the solar water heater lose popularity in the 1950's?

• Heaters caught on fire

• They were inefficient

• People took less showers

• Cheaper natural gas

What is a slightly higher % use of solar energy?

• Generating electricity

• Heating water

• Cooking food

• Heating buildings

What are the two general types of solar space heating systems?

• Passive and active

• Effective and ineffective

• Passive and effective

• Active and Inactive