I WONDER - What Is An Incandescent Lightbulb?

I WONDER - What Is An Incandescent Lightbulb?

Assessment

Interactive Video

Engineering

KG - 6th Grade

Hard

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Incandescent light bulbs are the oldest type of light bulb, using a tungsten filament to produce light. They are inexpensive to manufacture but are not energy-efficient and have a short lifespan.

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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the historical significance of incandescent light bulbs?

They are the most expensive type of bulb.

They are the most energy-efficient type of bulb.

They were the first type of light bulb invented.

They are the longest-lasting type of bulb.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What material is the filament in an incandescent bulb made of?

Tungsten

Aluminum

Iron

Copper

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does the filament in an incandescent bulb produce light?

By emitting LED light

By using chemical reactions

By glowing when heated by an electric current

By reflecting sunlight

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a major disadvantage of incandescent bulbs?

They are very expensive to produce.

They have a short lifespan.

They are difficult to install.

They are not available in stores.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why are incandescent bulbs considered not energy efficient?

They consume a lot of electricity for the light they produce.

They require special fixtures.

They need frequent maintenance.

They are only available in low wattages.