Amusing Surface Tension Experiment

Amusing Surface Tension Experiment

Assessment

Interactive Video

Physics, Science

10th - 12th Grade

Hard

Created by

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The video explores a science experiment using a clicky pen spring in water. Initially, the spring floats due to surface tension, as the tightly bonded H2O molecules create a net on the water's surface. The video humorously explains the concept of surface tension and how soap can disrupt it by breaking hydrogen bonds, causing the spring to sink.

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5 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

What happens to the spring when it is placed in water, and why does it float?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

How does the analogy of the Titanic relate to the spring's ability to float?

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

Explain the role of water molecules in supporting the spring.

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4.

OPEN ENDED QUESTION

3 mins • 1 pt

Describe the concept of surface tension as mentioned in the text.

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5.

OPEN ENDED QUESTION

3 mins • 1 pt

What effect does soap have on the surface tension of water?

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