Examples of physical features: valley, lake, and mountain.

Problem Analysis:

The worksheet is about physical features of the Earth. Physical features refer to natural landforms or structures that are part of the Earth's surface. The task involves defining physical features, providing examples, and identifying specific features from images.

Solution:

#### 1. What are physical features?
Physical features are natural landforms or structures on the Earth's surface that are formed by geological processes. These can include mountains, valleys, rivers, lakes, deserts, and other natural formations.

Answer:
Physical features are natural landforms or structures on the Earth's surface, such as mountains, rivers, and deserts.

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#### 2. Write any two examples of physical features.
Examples of physical features include:
- Mountains
- Rivers
- Valleys
- Lakes
- Deserts
- Oceans

Answer:
a) Mountains
b) Rivers

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#### 3. Name these physical features.
This section requires identifying the physical features shown in the provided images.

##### Image 1:
The image shows a landscape with green, sloping hills or mountains. This is a valley surrounded by hills or mountains.

Answer:
Valley

##### Image 2:
The image shows a circular body of water surrounded by trees and hills. This is a lake.

Answer:
Lake

##### Image 3:
The image shows a snow-covered mountain with a river flowing at its base. This is a mountain range.

Answer:
Mountain

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Final Answers:

1. What are physical features?
Physical features are natural landforms or structures on the Earth's surface, such as mountains, rivers, and deserts.

2. Write any two examples of physical features.
a) Mountains
b) Rivers

3. Name these physical features.
- Image 1: Valley
- Image 2: Lake
- Image 3: Mountain

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Boxed Final Answer:

\[
\boxed{
\begin{array}{l}
\text{1. Physical features are natural landforms or structures on the Earth's surface.} \\
\text{2. Examples: a) Mountains, b) Rivers} \\
\text{3. Image 1: Valley, Image 2: Lake, Image 3: Mountain}
\end{array}
}
\]