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Lake Chad Trivia Questions

How much do you really know about Lake Chad? Below are 14 true or false statements. Click each one to reveal the answer and explanation.

1.

Lake Chad is located entirely within the country of Chad.

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Easy
✗ FALSE

The lake is shared by Chad, Niger, Nigeria, and Cameroon—no single nation claims all of its waters.

2.

Lake Chad is a saltwater lake.

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Easy
✗ FALSE

Lake Chad is a freshwater lake. It is fed by rivers and has no saltwater source. Its water is low in salinity despite evaporation losses.

3.

Lake Chad is the deepest lake in Africa.

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Easy
✗ FALSE

It averages only about 1.5 meters deep—far shallower than Africa's deepest lake, Lake Tanganyika (over 1,400 meters).

4.

Lake Chad is bordered by four countries: Chad, Niger, Nigeria, and Cameroon.

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Easy
✓ TRUE

The lake’s shores touch Chad (south), Niger (west), Nigeria (southwest), and Cameroon (southeast). This makes it a transboundary water body.

5.

Lake Chad is a freshwater lake.

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Easy
✓ TRUE

Despite its shrinkage, Lake Chad remains a freshwater lake. It is fed by the Chari and Logone rivers and has no oceanic outlet.

6.

In 2023, Lake Chad expanded due to successful international water diversion projects.

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Medium
✗ FALSE

Lake Chad has been shrinking for decades due to climate change and irrigation. No large-scale diversion projects have been implemented to reverse the trend; the Transaqua canal remains a proposal.

7.

Lake Chad’s surface area has shrunk by over 90% since the 1960s.

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Medium
✓ TRUE

From about 26,000 km² in the 1960s, Lake Chad had shrunk to less than 2,000 km² by the early 2000s due to drought and water diversion.

8.

Lake Chad has lost over 90% of its surface area since the 1960s.

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Medium
✓ TRUE

Satellite images show it shrank from about 26,000 km² to under 1,500 km², mostly due to drought and irrigation demands.

9.

The shrinking of Lake Chad has been linked to increased regional conflict and terrorism.

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Medium
✓ TRUE

Loss of water and fishing grounds has worsened poverty and resource competition, contributing to instability and Boko Haram's rise.

10.

Lake Chad is saltwater, not freshwater.

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Medium
✗ FALSE

It's a freshwater lake, fed mainly by the Chari and Logone rivers; it's endorheic but not saline enough to be saltwater.

11.

Lake Chad was once one of the largest lakes in Africa.

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Medium
✓ TRUE

In the 1960s, Lake Chad covered about 26,000 square kilometers, ranking among Africa’s largest lakes. It has since shrunk dramatically.

12.

Lake Chad was once connected to the Mediterranean Sea.

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Hard
✗ FALSE

Lake Chad is an endorheic basin with no outlet to the sea. It was never connected to the Mediterranean; it drains into the Sahara Desert interior.

13.

The lake is actually a remnant of a much larger ancient sea called Megalake Chad.

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Hard
✓ TRUE

Around 6,000 years ago, Megalake Chad covered over 340,000 km²—bigger than the Caspian Sea today.

14.

In the 19th century, European explorers believed Lake Chad was the source of the Nile.

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Hard
✓ TRUE

Early cartographers speculated that the lake connected to the Nile system, though it actually drains into the Bodélé Depression.

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