ES 4.2 Alternate Energy Sources Flashcard

Front

What is geothermal energy?

Back

Geothermal energy is heat energy generated and stored in the Earth, which can be used for heating and electricity generation.

Front

Is the following statement true or false? The fuel used in geothermal energy is found above Earth’s surface.

Back

False

Front

What is solar energy?

Back

Solar energy is energy that originates from the sun and can be harnessed using solar panels and other technologies.

Front

What is tidal power?

Back

Tidal power is a form of renewable energy that harnesses the energy generated by the movement of tides.

Front

How is tidal power harnessed?

Back

Tidal power is harnessed by constructing a barrage across the mouth of an estuary or a bay.

Front

What drives the turbines and electric generators at a tidal power plant?

Back

Moving water drives the turbines and electric generators at a tidal power plant.

Front

Is the following statement true or false? Experts estimate that 15 to 25 percent of the United States’ electricity demand can be met by wind power in the next 50 to 60 years.

Back

True

Front

What are the main types of alternate energy sources?

Back

The main types of alternate energy sources include solar, wind, geothermal, hydroelectric, and tidal energy.

Front

What is the principle behind solar panels?

Back

Solar panels convert sunlight into electricity using photovoltaic cells.

Front

What is the role of wind turbines in generating electricity?

Back

Wind turbines convert the kinetic energy of wind into mechanical energy, which is then converted into electricity.