Renewable Energy

Solar energy is energy from the _____________.

• Moon
• Stars
• Wind
• Sun

Wind energy is a ____________ resource.

• nonrenewable
• renewable
• hydroelectric
• solar

_____________ power is electricity produced by flowing water.

• Solar 
• Wind 
• Hydroelectric 
• water

Thermal energy from Earth's interior is called____________ energy

• geothermal
• microthermal
• potential
• action

Energy produced by burning organic matter such as wood, food scraps, and alcohol is called______________ energy.

• Biomass
• Thermal energy
• Solar
• Wind

Renewable energy resources produce less_____________ than fossil fuels.

• pollution
• waste
• ethanol

Renewable resources are unlimited.

• True 
• False

Windpower is an advantageous source of renewable energy because . . .

• it doesn't create greenhouse gases
• it is inexpensive to build the wind farms
• wind is available everywhere in the world
• wind energy provides about 2% of Denmark's power

Nuclear energy . . .

• releases only a minimal amount of energy
• offers a safe, efficient way to produce power
• is used primarily in the US and less in Europe
• is produced by the nuclei of uranium or plutonium being split apart in a process called "nuclear fission"

A battery-powered flashlight is used by a camper so that she can she after dark on a camping trip.  Which of the sequences below illustrates the transformation that occurs inside the flashlight?

• chemical energy → light energy → electrical energy
• chemical energy → electrical energy → light energy
• mechanical energy → chemical energy → electrical energy
• electrical energy → chemical energy → light energy