You would travel roughly 40,000km to go around the Earth once.
Water covers approximately 1.4 × 108
square miles of the Earth.
What percentage of the Earth’s
surface is not covered by water?

To calculate the percentage of the Earth's surface not covered by water, we can follow these steps:

1. **Given Information:**
   - Total surface area of Earth: Water covers approximately \( 1.4 \times 10^8 \) square miles.
   - Water covers about 71% of Earth's surface (this is a known fact).

2. **Calculation:**
   - If 71% of the Earth's surface is covered by water, the percentage not covered by water (land area) is:
     \[
     100\% - 71\% = 29\%
     \]

Thus, approximately **29%** of the Earth's surface is not covered by water.

Would you like further details or have any questions?

Here are some related questions you might be interested in:

1. What is the total surface area of the Earth in square kilometers?
2. How is the 71% water coverage of Earth's surface calculated?
3. How much of the Earth's water is found in oceans versus freshwater?
4. What percentage of Earth's land is habitable for humans?
5. How does the water coverage of Earth compare to other planets?

**Tip:** Remember that while water covers most of the Earth's surface, the majority of Earth's water is in the oceans and not usable for drinking without desalination.

You would travel roughly 40,000km to go around the Earth once. Water covers approximately 1.4 × 10^8 square miles of the Earth. What percentage of the Earth’s surface is not covered by water?

Learn how to calculate the percentage of Earth's surface not covered by water using basic percentage concepts. With 71% of the Earth's surface covered by water, discover how to determine the remaining 29%. Suitable for Grades 6-8 students exploring surface area and percentage calculations.

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