Energy Unit

Moisture falling to the Earth is called _____________.

• Transpiration
• Evaporation
• Run-off 
• Precipitation

When water evaporates, it goes from a ________ to a _____________.

• Gas to liquid
• Liquid to Gas
• Gas to Precipitation
• Precipitation to Gas

Fossil fuels are turned into energy by __________ them.

• Burning
• Cooling
• Wasting
• Saving

___________ is the process in which plants release water through their leaves into the atmosphere.

• Evaporation
• Run-off
• Transpiration
• Precipitation

What are fossil fuels?

• Fuel formed from living plants and animals.
• Fuel formed from dead and decaying plants and animals.
• A fuel in its natural state.
• A fuel that is a renewable resource.

Which represent fossil fuels?

• Coal, oil, trees
• Oil, water, natural gas
• Natural gas, coal, water
• Coal, oil, natural gas

Which causes static electricity?

• Negative charges repelling each other.
• Postive charges attracting each other.
• Negative charges attracting positive charges.
• Negative charges repelling positive charges.

Which describes these circuits?

• Open
• Closed

_________ determines how much water is in a beaker.

• Density
• Volume
• Length
• Mass

________ is created when two things rub together.

• Magnetism
• Speed
• Matter
• Friction