Canadian teenager invents flashlight powered by heat of human hand

Canadian teenager invents flashlight powered by heat of human hand

Assessment

Interactive Video

Science, Physics

11th Grade - University

Hard

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The video tutorial explains the use of the thermoelectric effect to generate voltage. It describes embedding tiles in an aluminum tube, where the hand provides heat and airflow through the tube offers cooling. The design is completed with a PVC tube for insulation and a low-power LED light.

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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary function of the thermoelectric effect in this design?

To enhance airflow

To provide insulation

To create voltage

To generate heat

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What material is used to embed the tiles in the design?

Steel

Aluminum

Copper

Plastic

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does the design achieve a cooling effect?

With a cooling gel

Through airflow in the tube

By using a fan

By adding ice

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of the PVC tube in the design?

To enhance light output

To provide extra insulation

To increase weight

To generate electricity

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which component completes the design by providing light?

A high-power LED light

A fluorescent bulb

A low-power LED light

A halogen lamp