Layers Of The Earth Worksheets 2024 - Free Printable

Absolutely! Let’s solve this Earth’s Structure worksheet step by step.

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## A. Answer these questions

1. Which layer of the Earth do we live on?

✔ Crust
*(Specifically, the continental crust — the outermost solid layer where all land and oceans sit.)*

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2. Which layer is the hottest and innermost of Earth?

✔ Inner Core
*(It’s a solid ball of iron and nickel under extreme pressure and temperature — up to 5,400°C or 9,800°F — as hot as the Sun’s surface.)*

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3. Which layer is the thickest?

✔ Mantle
*(The mantle is about 2,900 km (1,800 miles) thick — making it the thickest layer, sitting between the crust and the outer core.)*

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4. Which layer surrounds the inner core and is made up of liquid Nickel and Iron?

✔ Outer Core
*(This liquid layer surrounds the solid inner core and is composed mostly of molten iron and nickel.)*

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5. Which layer generates Earth’s magnetic field?

✔ Outer Core
*(The movement of the liquid iron and nickel in the outer core creates electric currents, which generate Earth’s magnetic field through the geodynamo effect.)*

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6. On which layer does the crust float?

✔ Mantle
*(The crust “floats” on the semi-fluid upper part of the mantle, called the asthenosphere, due to convection currents and density differences.)*

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## B. Label the layers in the structure of the Earth!

Looking at the diagram (from outside to inside):

➡️ Top line (outermost) → Crust
➡️ Second line → Mantle
➡️ Third line → Outer Core
➡️ Bottom line (innermost) → Inner Core

*(Note: The diagram shows 4 labeled lines pointing to the 4 main layers.)*

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## C. Draw a line to match each layer of the Earth to its description

Let’s match them correctly:

| Layer | Correct Description |
|------------------|----------------------------------------------------------|
| Continental crust | → the part of the Earth we live on |
| Oceanic crust | → layer directly under the oceans |
| Mantle | → Where volcanic lava comes from *(lava originates from the upper mantle)* |
| Outer core | → made of liquid iron and nickel |
| Inner core | → Solid ball as hot as the surface of the sun |

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✔ Final Answers Summary:

A.

1. Crust
2. Inner Core
3. Mantle
4. Outer Core
5. Outer Core
6. Mantle

B.

From outside to inside:
- Crust
- Mantle
- Outer Core
- Inner Core

C.

Match:
- Continental crust → the part of the Earth we live on
- Oceanic crust → layer directly under the oceans
- Mantle → Where volcanic lava comes from
- Outer core → made of liquid iron and nickel
- Inner core → Solid ball as hot as the surface of the sun

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You’re all set! This worksheet covers the basic structure of the Earth — perfect for elementary or middle school science. 🌍📚