Unit 8 TEST - Energy

What is energy?

• moving energy

• stored energy

• renewable energy

• The ability to do work.

What is potential energy?

• moving energy

• stored energy

• renewable energy

• non renewable energy

What is kinetic energy?

• moving energy

• potential energy

• stored energy

• renewable energy

What is given off from thermal energy?

• water

• heat

• ice

• wind

How does radiation effect the world?

• Global warming occurs

• Makes the world brighter

• Allows us to cook

• Makes the air clean

Which property of light (energy budget activity) is being demonstrated in this image?

• absorption

• unity

• reflection

• radiation

If greenhouse gases increase and build up in our atmosphere, what happens?

• They trap more heat and global temperatures rise.

• They trap more heat and global temperatures decrease.

• They trap less heat and global temperatures rise.

• They trap less heat and global temperatures decrease.

What percentage of the Sun's energy is reflected back into space?

• 100%

• About 50%

• About 30%

• It depends on the weather.

The energy coming in to from the sun minus the energy being radiated out is known as

• Greenhouse effect

• Global warming

• Earth's energy budget

• Sound waves

According to the diagram, what can happen when solar energy hits clouds in Earth's atmosphere?

• it can be reflected or absorbed

• it can only be absorbed

• it can only be reflected

• it is neither reflected nor absorbed