Class 5 (CBSE) • Environmental StudiesChapter 7: Energy — How Things Work⭐ Topic 1
Forms and Sources of Energy
Energy comes in different forms, like heat, light, and electrical energy, and from different sources, like the sun, fossil fuels, and wind.
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Renewable energy sources, like solar (sun), wind, and hydro (water) power, can be used again and again without running out.
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- Renewable energy sources include solar, wind and hydro power.
- Renewable sources can be used again without running out.
- Non-renewable sources include coal, oil and natural gas.
- Non-renewable sources will eventually run out.
- Forms of energy include heat, light and electrical energy.
- A stove produces heat energy; a bulb produces light energy.
- Renewable energy produces less pollution.
- Using renewable energy helps protect the environment.