Renewable Energy Resources

Front

What are renewable resources?

Back

Resources that can be replaced almost as quickly as they are used, such as solar, wind, and biomass.

Front

What is biomass energy?

Back

Energy that comes from burning plant material, which can be used for heating, electricity, and fuel.

Front

What is the main advantage of using wind energy?

Back

It is clean without any pollutants.

Front

What is the definition of nonrenewable resources?

Back

Resources that cannot be replaced as quickly as they are used, such as fossil fuels.

Front

What is biofuel?

Back

A type of renewable energy derived from biological materials, often used as an alternative to gasoline.

Front

What is the gear ratio in a gear train?

Back

The ratio of the number of teeth on two gears that are meshed together, affecting the speed and torque of the output gear.

Front

If a gear train has a gear ratio of 7:1 and the output gear spins at 70 rpm, how fast does the input gear spin?

Back

490 rpm.

Front

What is solar energy?

Back

Energy harnessed from the sun's rays, which can be converted into electricity or heat.

Front

What are the disadvantages of wind energy?

Back

Wind is inconsistent and can be dangerous to birds.

Front

What is geothermal energy?

Back

Energy derived from the heat stored beneath the Earth's surface.