Educational worksheet on fossil fuels with questions and diagram space.

Let’s go step by step to answer each question on the worksheet about fossil fuels.

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1. Name some fossil fuels.

Fossil fuels are energy sources formed from ancient plants and animals that lived millions of years ago. The main ones are:

- Coal
- Oil (also called petroleum)
- Natural gas

These are the three most common fossil fuels we use today.

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2. Why are they called ‘fossil’ fuels?

They’re called “fossil” fuels because they come from the remains of dead plants and animals — just like fossils! Over millions of years, those remains got buried under layers of rock and soil. Heat and pressure turned them into fuel. So even though they don’t look like bones or shells, they started as living things — kind of like nature’s old leftovers turned into energy.

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3. How do fossil fuels develop?

Here’s how it happens in simple steps:

Step 1: Long ago (millions of years), plants and tiny sea creatures died and sank to the bottom of oceans or swamps.

Step 2: Layers of mud and sand covered them up. No air could get to them, so they didn’t rot away completely.

Step 3: More layers piled on top — this created huge pressure and heat over time.

Step 4: That heat and pressure slowly changed the dead stuff into coal, oil, or natural gas.

Step 5: Today, we dig or drill deep underground to find and take out these fuels.

*(For the diagram box: You can draw a simple picture showing dead plants/animals → buried under layers → heat & pressure → turning into coal/oil/gas → being dug up by machines.)*

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4. What are fossil fuels used for?

We use fossil fuels for lots of everyday things:

- Electricity (power plants burn coal or gas to make power)
- Cars, buses, planes (they run on gasoline or jet fuel made from oil)
- Heating homes (natural gas or heating oil)
- Making plastics and other products (oil is used to make many materials)

Basically, almost everything we do uses energy from fossil fuels — directly or indirectly.

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5. How long will our supply of fossil fuels last?

This one doesn’t have an exact number, but here’s what experts say:

- We’ve already used up a lot of the easy-to-find fossil fuels.
- At current rates, some scientists think we might run out of oil and gas in 50–100 years.
- Coal might last longer — maybe 100–200 more years.
- BUT — we’re also trying to use less and switch to cleaner energy (like solar and wind) before we run out.

So while we won’t wake up tomorrow with no fuel, we need to plan ahead because they won’t last forever.

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Final Answer:

Name some fossil fuels:
Coal, oil, natural gas

Why are they called ‘fossil’ fuels?
Because they formed from the remains of ancient plants and animals — like fossils — buried and changed by heat and pressure over millions of years.

How do fossil fuels develop?
Dead plants and animals get buried under layers of sediment. Over millions of years, heat and pressure turn them into coal, oil, or natural gas.

What are fossil fuels used for?
Making electricity, powering vehicles, heating buildings, and making plastics and other products.

How long will our supply of fossil fuels last?
Oil and gas may last 50–100 years; coal may last 100–200 years — but we’re working to use less and switch to renewable energy before they run out.