Science worksheet on Earth's layers and types of rocks, featuring a labeled diagram and descriptive questions.

Problem Overview:

The task involves labeling the layers of the Earth and matching descriptions to the correct layers. The Earth's layers are typically divided into the Crust, Mantle, Outer Core, and Inner Core. Let's solve this step by step.

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Part A: Label the Layers of the Earth

The image shows a cross-section of the Earth with four labeled sections: Crust, Inner Core, Mantle, and Outer Core. These labels should be matched to the corresponding colored regions in the diagram.

1. Crust: This is the outermost layer, which is thin and solid. It corresponds to the light blue region at the top.
2. Inner Core: This is the central part of the Earth, which is solid due to extreme pressure. It corresponds to the yellow/orange innermost circle.
3. Mantle: This is the thick layer between the crust and the core. It is mostly solid but can flow over long periods (viscous). It corresponds to the brown region.
4. Outer Core: This is the liquid layer surrounding the inner core. It corresponds to the orange region.

So, the labels should be placed as follows:
- Light blue: Crust
- Brown: Mantle
- Orange: Outer Core
- Yellow/orange (innermost): Inner Core

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Part B: Match Descriptions to Layers

Now, we need to match each description to the correct layer of the Earth.

#### 1. It is the thickest layer
- The Mantle is the thickest layer of the Earth, making up about 84% of the Earth's volume.
- Answer: Mantle

#### 2. It is solid due to the pressure of the other layers above it
- The Inner Core is solid despite being extremely hot because the immense pressure from the layers above keeps it in a solid state.
- Answer: Inner Core

#### 3. It is the thinnest layer
- The Crust is the Earth's outermost layer and is the thinnest, ranging from about 5–70 km in thickness.
- Answer: Crust

#### 4. The upper part of this layer is liquid rock
- The Mantle has a solid lower part but its upper part, known as the Asthenosphere, behaves like a viscous fluid and can flow slowly over time. However, the Outer Core is entirely liquid.
- Answer: Outer Core

#### 5. It is the layer above the inner core
- The Outer Core is located directly above the Inner Core.
- Answer: Outer Core

#### 6. It is made up of rock and dirt and also has water
- The Crust is composed of solid rock and soil and includes features like landmasses and oceans, which contain water.
- Answer: Crust

#### 7. It is made of iron and nickel
- Both the Inner Core and the Outer Core are primarily composed of iron and nickel, but the Inner Core is solid, while the Outer Core is liquid.
- Answer: Inner Core or Outer Core (both are correct, but typically the Inner Core is emphasized for its solid state)

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Final Answers:

#### Part A: Labels
- Light blue: Crust
- Brown: Mantle
- Orange: Outer Core
- Yellow/orange (innermost): Inner Core

#### Part B: Matching Descriptions
1. Mantle
2. Inner Core
3. Crust
4. Outer Core
5. Outer Core
6. Crust
7. Inner Core (or Outer Core)

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Final Answer Box:

\[
\boxed{
\text{Part A: Crust, Mantle, Outer Core, Inner Core}
}
\]
\[
\boxed{
\text{Part B: 1. Mantle, 2. Inner Core, 3. Crust, 4. Outer Core, 5. Outer Core, 6. Crust, 7. Inner Core}
}
\]