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Nanotechnology Applications and Effects

Nanotechnology Applications and Effects

Assessment

Interactive Video

Science, Chemistry, Physics

7th - 12th Grade

Practice Problem

Hard

Created by

Sophia Harris

FREE Resource

The video introduces a nanotechnology spray called Ultra-Ever Dry, which creates a superhydrophobic shield on materials, making them water-repellent. The speaker demonstrates its effectiveness on various surfaces, explaining the science behind its properties. The technology has potential applications in anti-wetting, anti-icing, anti-corrosion, and self-cleaning. The video concludes with a call to imagine its revolutionary impact.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the name of the nanotechnology spray demonstrated on the cinder block?

Ultra-Ever Dry

Nano Shield

Hydro Block

Water Guard

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the contact angle range for a surface to be considered superhydrophobic?

90 to 110 degrees

110 to 130 degrees

130 to 150 degrees

150 to 175 degrees

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How small is a nanometer compared to a meter?

A thousandth of a meter

A millionth of a meter

A billionth of a meter

A hundredth of a meter

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary benefit of controlling atoms and molecules in nanotechnology?

To achieve great benefits through precise control

To make materials heavier

To increase the size of materials

To enhance the color of materials

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens when green-tinted water hits the nanotechnology coating on glass?

It changes color

It evaporates

It stops and cannot be coaxed to move

It spreads evenly

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the role of air in the nanotechnology coating?

It creates a reflective layer

It makes the surface smooth

It forms an air umbrella that repels water

It absorbs water

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the significance of the rough and craggly surface created by the nanoparticles?

It traps air molecules to create a protective layer

It smoothens the surface

It helps in absorbing water

It makes the surface more visible

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