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Lake Ontario Trivia Questions

How much do you really know about Lake Ontario? Below are 8 true or false statements. Click each one to reveal the answer and explanation.

1.

Lake Ontario is the only Great Lake that doesn't border the state of Michigan.

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Easy
✓ TRUE

Lake Ontario does not border Michigan; it is bordered by Ontario, Canada, and New York. The other four Great Lakes (Superior, Michigan, Huron, Erie) all touch Michigan, making Ontario the sole exception.

2.

Lake Ontario never freezes over completely due to its depth and constant water flow.

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Medium
✓ TRUE

Its average depth of 283 feet and active circulation prevent a total freeze, though it can get icy near shores.

3.

Lake Ontario is the deepest of the Great Lakes.

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Medium
✗ FALSE

Lake Superior is the deepest Great Lake, reaching 1,333 feet, while Lake Ontario's maximum depth is 802 feet.

4.

Lake Ontario is the smallest of the five Great Lakes by surface area.

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Medium
✓ TRUE

Lake Ontario's surface area of about 7,340 sq mi (19,000 km²) is the smallest among the five Great Lakes, despite being deeper than Lake Erie.

5.

A rare 'seiche' once caused Lake Ontario's water level to drop six feet in an hour.

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Hard
✗ FALSE

The largest recorded seiche on Lake Ontario, in 1900, caused a drop of about 4 feet at Toronto, not 6 feet. Typical seiches are a few feet at most.

6.

Lake Ontario is the smallest of the Great Lakes by surface area.

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Hard
✓ TRUE

Lake Ontario covers about 7,340 sq mi, smaller than Lake Erie (9,910 sq mi). It ranks fifth among the Great Lakes in surface area.

7.

Lake Ontario once had a thriving population of Atlantic salmon that went extinct locally.

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Hard
✓ TRUE

Atlantic salmon were native to Lake Ontario but disappeared by the late 1800s due to overfishing and habitat loss.

8.

The lake's name means 'lake of shining waters' in the Iroquois language.

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Hard
✗ FALSE

The name 'Ontario' comes from the Huron word 'ontarí:io', meaning 'great lake', not from an Iroquois language. 'Shining waters' is a poetic translation, not the literal meaning.

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