"Energy" Spark Science Review Flashcard

Front

What is hydroelectric power?

Back

Electricity generated by falling or flowing water.

Front

What is a wind turbine?

Back

A machine that turns with the wind to produce energy.

Front

What is a circuit?

Back

The path around which an electric current circulates.

Front

What is nuclear power?

Back

An energy resource that uses uranium to generate power.

Front

What are renewable energy sources?

Back

Energy sources that are replenished naturally, such as solar, wind, and hydro power.

Front

What is the principle of energy conservation?

Back

Energy cannot be created or destroyed, only transformed from one form to another.

Front

What is solar energy?

Back

Energy harnessed from the sun's rays.

Front

What is geothermal energy?

Back

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

Front

What is biomass energy?

Back

Energy produced from organic materials, such as plant and animal waste.

Front

What is the difference between AC and DC current?

Back

AC (Alternating Current) changes direction periodically, while DC (Direct Current) flows in one direction.