Complete educational resource covering the Earth's internal structure and tectonic plates, complete with an answer key.

It looks like you've uploaded a worksheet titled "The Earth" that includes questions about the structure of the Earth, its layers, and related geological concepts. The document appears to be a printable educational resource, possibly for a science class, with both a student version and an answer key.

Since I cannot view images directly, I’ll help you solve the problems based on the content visible in your description and typical curriculum standards for this topic. Let me walk through each section as it appears:

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Worksheet: "The Earth"

#### 1. Label the cross-sectional diagram of the Earth's layers (3 marks)

Typical Earth Layers (from outermost to innermost):
- Crust – thin outer layer
- Mantle – thick layer beneath the crust
- Outer Core – liquid layer
- Inner Core – solid center

> ✔ Answer:
Label the diagram with:
1. Crust
2. Mantle
3. Outer Core
4. Inner Core

*(Make sure to match labels to correct positions in the diagram.)*

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#### 2. Which rocks does the Earth’s crust consist of? Circle your answer below (1 mark)

Options likely include:
- Granite, Basalt, Sedimentary rocks, etc.

> ✔ Answer:
The Earth’s crust consists mainly of granite (continental crust) and basalt (oceanic crust).
So if options are:
- A. granite
- B. basalt
- C. limestone
- D. marble

→ Correct answers: A and B (or choose both if multiple selection is allowed)

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#### 3. Match four components of the Earth’s crust in order from outside to inside (4 marks)

This is likely a matching exercise. Common terms:

| From Outside to Inside | |
|------------------------|---|
| 1. Crust | A. Solid iron-nickel core |
| 2. Mantle | B. Dense, solid metal core |
| 3. Outer Core | C. Thick layer of rock |
| 4. Inner Core | D. Thin rocky surface |

> ✔ Answer:
- Crust → D (thin rocky surface)
- Mantle → C (thick layer of rock)
- Outer Core → ? (liquid metal layer)
- Inner Core → A or B (solid iron-nickel core)

But let's clarify:

- Crust → D
- Mantle → C
- Outer Core → Liquid metallic layer (not listed above, so check options)
- Inner Core → Solid iron-nickel core

If the choices are:
- A. molten iron
- B. solid iron
- C. silicate rocks
- D. tectonic plates

Then:
1. Crust → C or D (silicate rocks / tectonic plates)
2. Mantle → C (silicate rocks, but deeper)
3. Outer Core → A (molten iron)
4. Inner Core → B (solid iron)

> ✔ Final Matching:
- Crust → C (silicate rocks)
- Mantle → C? Wait — need distinct labels.

Let’s assume the options are:
- A. crust
- B. mantle
- C. outer core
- D. inner core

And the task is to list them in order from outside to inside.

> ✔ Answer:
A → B → C → D
(Crust → Mantle → Outer Core → Inner Core)

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#### 4. What is the name given to the parts that the Earth’s crust is divided into, as shown in the diagram? (1 mark)

> ✔ Answer: Tectonic plates

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#### 5. Match the following features that can be caused by the movement of the Earth’s crust (3 marks)

Common features caused by tectonic movement:
- Volcanoes → caused by magma rising
- Earthquakes → due to plate movement
- Mountains → formed by collision of plates
- Rift valleys → where plates pull apart

> ✔ Example matching:
- Volcanoes → magma rises through crust
- Earthquakes → sudden release of energy at fault lines
- Mountains → folded or uplifted rock

If options are:
- A. volcanoes
- B. earthquakes
- C. mountains
- D. rift valleys

And causes:
- i. plates collide
- ii. plates move apart
- iii. plates slide past each other
- iv. magma rises

Then:
- A → iv
- B → iii
- C → i
- D → ii

> ✔ Answer:
- Volcanoes → magma rises
- Earthquakes → plates slide past each other
- Mountains → plates collide
- Rift valleys → plates move apart

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#### 6. Label the cross-sectional diagram of the Earth’s layers (3 marks)

Same as Question 1. Again, label:
- Crust
- Mantle
- Outer Core
- Inner Core

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Answer Key Page Summary (Right Side)

You mentioned the right page has “The Earth Answers.” Based on standard knowledge:

- Q1: Crust, Mantle, Outer Core, Inner Core
- Q2: Rocks in crust: granite, basalt, sedimentary rocks
- Q3: Order: Crust → Mantle → Outer Core → Inner Core
- Q4: Tectonic plates
- Q5: Match features to causes (e.g., volcanoes = magma, earthquakes = plate movement, etc.)

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✔ Final Tips:

- Use precise scientific terms.
- Draw clear lines when labeling diagrams.
- Remember: the crust is thin; mantle is thick and semi-solid; outer core is liquid; inner core is solid due to pressure.

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