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Slippery when wet

Slippery when wet

Assessment

Interactive Video

Science, Physics, Chemistry

11th Grade - University

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

The video is a prerecorded news segment discussing the Lotus Effect and the behavior of water droplets on rough surfaces. It explains the Cassie and Wenzel states, where droplets either float or stick to surfaces. Engineers have developed a method to make Wenzel droplets mobile using a lubricated silicon surface, which could have applications in various industries. The segment concludes with a call to explore more science news online.

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5 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the Lotus Effect and how does it relate to water droplets on surfaces?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

Explain the difference between Cassie and Wenzel states of liquid droplets.

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

How have engineers manipulated surfaces to make Wenzel droplets mobile?

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4.

OPEN ENDED QUESTION

3 mins • 1 pt

What potential applications could arise from creating surfaces that repel water?

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5.

OPEN ENDED QUESTION

3 mins • 1 pt

Discuss the significance of the research findings on wetting physics.

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