Alternative Energy: A Greener Way to Power Our World

Why Do We Need Alternative Sources Of Energy?

Conventional/traditional sources of energy, like coal, oil, and nuclear power, have some problems:

• They use up/spend natural resources.
• They harm the environment.
• They release pollutants into the air.

Alternative energy sources come to the rescue! These sources are renewable (they won’t run out) and environmentally friendly. Let’s dive into some cool alternatives:

1. Solar Energy

• What is it? The Sun provides heat and light. We can capture this energy using special panels called photovoltaic (PV) cells.
• How do we use it? We turn sunlight into electricity or use it to heat water (like a solar-powered shower!).

2. Wind Energy

• What is it? Wind turbines (those tall structures with spinning blades) convert wind energy into electricity.
• How do we use it? Wind farms (groups of turbines) generate power. Imagine giant pinwheels catching the wind!

3. Waterpower (Hydropower)

• What is it? Rivers and oceans can also give us energy. When water flows through a dam, it turns generators to create electricity.
• How do we use it? Hydropower plants make use of this water energy.

4. Geothermal (Earth Heat) Energy

• What is it? Heat from inside Earth! In places like Iceland, this heat is close to the surface.
• How do we use it? We drill down to reach the heat and use it for electricity or heating.

5. Biofuels

• What are they? Fuels made from plant or animal materials.
• How do we use them? Biofuels can power vehicles. Imagine cars running on plant power!

Remember, these alternative energy sources are like superheroes—they save the planet while keeping our lights on!

Refreshing Practice: