Flamethrower vs Aerogel

Flamethrower vs Aerogel

Assessment

Interactive Video

Science, Physics, Chemistry

10th Grade - University

Hard

Created by

Quizizz Content

FREE Resource

The video explores the insulating properties of aerogel, a material known for its high thermal resistance. It begins with an introduction to aerogel's composition and properties, followed by a demonstration using a flamethrower to test its insulation capabilities. The video also showcases aerogel's safe touch properties through a coating demonstration. Additionally, it highlights aerogel's applications in cryogenics and subsea oil pipelines, emphasizing its effectiveness in extreme temperatures. The video concludes with observations from the tests, noting aerogel's superior insulation performance.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is Pyrogel Xte primarily made of?

Fiberglass and aerogel

Silica and sand

Polyurethane foam

Carbon fibers

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is aerogel considered a better thermal insulator than air?

It is denser than air

It reflects light

It has tiny pores that restrict heat diffusion

It is made of metal

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happened to the chocolate when exposed to the flamethrower?

It melted instantly

It remained solid

It collapsed after 30 seconds

It turned into gas

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does aerogel prevent burns even at high temperatures?

It changes color

It reflects heat

It absorbs heat quickly

It conducts heat slowly

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a key application of aerogel at cryogenic temperatures?

Insulating ski jackets

Insulating liquefied natural gas plants

Making fireproof clothing

Building spacecraft

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is aerogel used in subsea oil pipelines?

To increase oil flow speed

To make the pipelines lighter

To prevent oil from freezing

To reduce the diameter of the outer pipe

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main advantage of using aerogel in ski jackets?

They keep pockets warmer

They are lighter

They become waterproof

They are more stylish

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