Alternative Energy

Front

What is geothermal energy?

Back

Geothermal energy is the heat that comes from the sub-surface of the earth, which can be found in the hot water and steam that is pumped from deep inside the Earth to heat homes or generate electricity.

Front

List two advantages of geothermal energy.

Back

1. It is cheap. 2. It produces little pollution.

Front

What is wind energy?

Back

Wind energy is the energy that is generated from the movement of air, which can be harnessed to produce electricity.

Front

How is wind energy harnessed?

Back

Wind energy is harnessed using wind turbines that convert the kinetic energy of moving air into mechanical energy, which is then converted into electricity.

Front

What are renewable resources?

Back

Renewable resources are natural resources that can be replenished in a short amount of time, such as solar, wind, and geothermal energy.

Front

What is the primary source of geothermal energy?

Back

The primary source of geothermal energy is the heat from the Earth's core.

Front

What are some common uses of geothermal energy?

Back

Common uses of geothermal energy include heating buildings, generating electricity, and providing hot water.

Front

What is the environmental impact of geothermal energy?

Back

Geothermal energy has a low environmental impact, producing minimal greenhouse gas emissions compared to fossil fuels.

Front

What is the difference between renewable and non-renewable energy sources?

Back

Renewable energy sources can be replenished naturally in a short time, while non-renewable energy sources, like fossil fuels, take millions of years to form and are finite.

Front

What are the main components of a wind turbine?

Back

The main components of a wind turbine include the rotor blades, nacelle, tower, and generator.