This worksheet helps students learn the difference between renewable energy sources, like the sun and wind, and non-renewable sources, like coal and oil.

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🔍 Task:

Identify the energy sources listed and classify them as renewable or non-renewable.

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✔ List of Energy Sources Provided:

- coal
- wind
- nuclear
- sun
- fossil fuels
- natural gas
- biomass
- petroleum
- hydropower
- waves

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🌱 Renewable Energy Sources:

These are sources that can be naturally replenished in a short period of time and are sustainable.

Examples from the list:
- Wind – constantly generated by atmospheric conditions.
- Sun – solar energy is abundant and continuously available.
- Biomass – organic material (like plants and waste) that can be regrown.
- Hydropower – uses flowing water, which is replenished by the water cycle.
- Waves – ocean waves driven by wind and tides, continuously formed.

✔ Renewable: Wind, Sun, Biomass, Hydropower, Waves

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⚠️ Non-Renewable Energy Sources:

These are finite resources that take millions of years to form and cannot be replenished quickly.

Examples from the list:
- Coal – formed from ancient plant matter; limited supply.
- Natural gas – a fossil fuel, not replenishable on human timescales.
- Petroleum (oil) – fossil fuel derived from ancient organisms.
- Fossil fuels – general term including coal, oil, and natural gas.
- Nuclear – typically refers to uranium or plutonium, which are mined and non-renewable (though some advanced systems may recycle fuel, it's still considered non-renewable).

✔ Non-Renewable: Coal, Natural Gas, Petroleum, Fossil Fuels, Nuclear

> Note: "Fossil fuels" is a category that includes coal, petroleum, and natural gas — so it's best placed under non-renewable.

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🧩 How to Fill in the Worksheet:

#### Renewable Energy Sources (can be naturally replaced):
1. Sun (with sun icon)
2. Wind (with wind turbine icon)
3. Hydropower (with dam/water icon)
4. Biomass (with wood log icon)
5. Waves (with wave icon)

#### Non-Renewable Energy Sources (limited, cannot be replaced):
1. Coal (with coal pile icon)
2. Natural gas (with gas tank icon)
3. Petroleum (with oil barrel icon)
4. Nuclear (with nuclear reactor icon)
5. Fossil fuels (with truck carrying fuel icon)

> Note: Some worksheets might have icons next to each category. Match the words to the correct pictures accordingly.

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✔ Final Answer Summary:

| Renewable Energy | Non-Renewable Energy |
|----------------------------|------------------------------|
| Wind | Coal |
| Sun | Natural Gas |
| Hydropower | Petroleum |
| Biomass | Nuclear |
| Waves | Fossil Fuels |

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💡 Explanation:

- Renewable: These sources are sustainable because they are continuously replenished by natural processes (e.g., sunlight, wind, water cycles).
- Non-Renewable: These come from finite resources formed over millions of years. Once used up, they are gone for practical purposes.

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