Measuring Nitrates and Phosphates in Waterways to Prevent Dead Zones

Measuring Nitrates and Phosphates in Waterways to Prevent Dead Zones

Assessment

Interactive Video

Biology, Geography, Science, Health Sciences

10th - 12th Grade

Hard

Created by

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FREE Resource

The video tutorial explains the impact of excess nutrients like nitrates and phosphates on water bodies, leading to dead zones. It demonstrates how to test for these nutrients using specific equipment. The process involves measuring water samples, adding solutions, and using meters to get readings. The results help determine the nutrient levels and their potential impact on algae growth.

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5 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

What are the major causes of dead zones in waterways?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

Why is it important to test for nitrates in the bay?

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

What happens when there are too many nitrates in the water?

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4.

OPEN ENDED QUESTION

3 mins • 1 pt

What does a reading of 0.02 mg/L for nitrates indicate?

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5.

OPEN ENDED QUESTION

3 mins • 1 pt

What are the sources of phosphates that affect the bay?

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