Biomass/Ethanol
What is Biomass made from?
Plants and animals
What is the main source of solar energy?
The sun
Wind energy is the energy of moving what?
Air
Geothermal energy comes from heat stored in this part of the Earth?
Earths core
What is used to make electricity in a hydroelectric dam?
Moving water
What is an example of biomass?
Wood, waste
What device is used to collect solar energy?
Solar panels
What is the main function of a wind turbine's blades?
Spin and capture wind energy
What is one limitation of geothermal energy?
It can only be used in certain geographic locations.
What part spins to generate electricity in a dam?
Turbine
What is ethanol?
A liquid fuel made from plants like corn.
Solar energy is considered what type of resource?
Renewable
In a wind turbine, the spinning blades turn a generator to produce this?
Electricity
What is the byproduct of hydrogen fuel cells?
Water
Where is water stored before it flows through the dam?
Reservoir
Burning biomass releases what?
Heat energy
What does a solar panel turn sunlight into?
Electricity
Why are wind turbines often placed in open areas or offshore?
Because wind speeds are higher and more consistent.
What gas does hydrogen combine with in a fuel cell?
Oxygen
Tidal energy comes from the movement of what?
Ocean tides
Ethanol is considered renewable because it comes from what?
Plants that can regrow
Solar energy only works best during what time?
Daytime/Sunny
Which of the following is a challenge of wind energy?
Wind is not always consistent.
What is the main thing a hydrogen fuel cell produces?
Electricity
What causes ocean tides?
The moons gravity