Educational map key worksheet for kids, focusing on African geography with interactive questions.

Let's solve the problems step by step using the map and the provided key.

Map Key Recap:

- Blue squares: Water
- Brown triangles: Mountains
- Green squares with trees: Rainforest
- Orange dots: Desert

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Problem 1: Which of these is a desert area?

#### Options:
- Sahara
- Malawi
- South
- North

#### Solution:
From the map:
- The Sahara Desert is clearly marked in orange dots, indicating it is a desert area.
- Malawi is not labeled as a desert; it is near Lake Malawi, which is a body of water.
- "South" and "North" are not specific locations on the map but rather directions. They do not refer to desert areas.

Thus, the correct answer is:
- Sahara

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Problem 2: The Senegal River is located _____ of the Equator.

#### Options:
- South
- North

#### Solution:
From the map:
- The Senegal River is located above the dashed line representing the Equator.
- This means the Senegal River is north of the Equator.

Thus, the correct answer is:
- North

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Problem 3: Which of these is a body of water?

#### Options:
- Indian Ocean
- Kalahari Desert

#### Solution:
From the map:
- The Indian Ocean is marked in blue, which corresponds to the "Water" category in the key.
- The Kalahari Desert is marked in orange dots, indicating it is a desert area, not a body of water.

Thus, the correct answer is:
- Indian Ocean

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Final Answers:

1. Sahara
2. North
3. Indian Ocean

Boxed Final Answer:
\[
\boxed{\text{Sahara, North, Indian Ocean}}
\]