Alternative Energy

Front

What is hydroelectric energy?

Back

Hydroelectric energy is electricity generated by the flow of water, typically through a dam, which turns a generator.

Front

What is the main contributor to carbon emissions globally?

Back

Burning fossil fuels is the largest contributor to carbon emissions worldwide.

Front

What absorbs ultraviolet rays in the atmosphere?

Back

The ozone layer absorbs ultraviolet rays, protecting living organisms from harmful effects.

Front

What is an example of an alternative fuel source?

Back

Hydrogen is an example of an alternative fuel source.

Front

Which of the following is NOT an alternative energy source?

Back

Fossil fuels are not considered an alternative energy source.

Front

What is the definition of alternative energy?

Back

Alternative energy refers to energy sources that are not based on fossil fuels and are more sustainable, such as solar, wind, and hydroelectric energy.

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.

Front

What is the role of the stratosphere?

Back

The stratosphere is a layer of the atmosphere that contains the ozone layer, which protects the Earth from harmful ultraviolet radiation.

Front

What is wind energy?

Back

Wind energy is the process of converting wind into electricity using wind turbines.

Front

What are biofuels?

Back

Biofuels are renewable fuels made from organic materials, such as plants and animal waste.