Lake Temperatures -- Changing Planet

Lake Temperatures -- Changing Planet

Assessment

Interactive Video

Science, Biology, Geography

11th Grade - University

Hard

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Quizizz Content

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The video explores the impact of climate change on large freshwater lakes, focusing on Lake Superior and Lake Tanganyika. It highlights research by physicist Jay Austin, revealing significant warming trends in Lake Superior due to reduced ice cover and longer summers. The video also discusses global trends, with biologist Catherine O'Reilly noting similar changes in Lake Tanganyika. These temperature shifts affect lake ecosystems, leading to issues like water stratification and reduced nutrient cycling, impacting food webs and human populations reliant on these lakes. The video emphasizes the need to understand these changes and their broader implications.

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7 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

What are the main factors contributing to the warming of Lake Superior's surface waters?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

How does the reduction of winter ice affect the summer temperatures of Lake Superior?

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

What impact does warmer water have on the populations of invasive species in Lake Superior?

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4.

OPEN ENDED QUESTION

3 mins • 1 pt

In what ways are the changes in Lake Tanganyika's ecosystem similar to those in Lake Superior?

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5.

OPEN ENDED QUESTION

3 mins • 1 pt

What is water stratification, and how does it affect nutrient cycling in lakes?

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6.

OPEN ENDED QUESTION

3 mins • 1 pt

How do changes in lake ecosystems threaten the food security of local populations?

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7.

OPEN ENDED QUESTION

3 mins • 1 pt

What are the broader implications of changes in the Great Lakes for cultural identity?

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