WorksheetsLight Bulbs
Total questions: 7
Worksheet time: 4mins
Who invented the best model of lightbulb?
Thomas Edison
Humphry Davy
Michael Faraday
Hermann Sprengel
Who started the idea of making light out of electricity?
Thomas Edison
Hermann Sprengel
Humphry Davy
Joseph Swan
Who made the electricity generator?
Michael Faraday
Hermann Sprengel
Joseph Swan
Thomas Edison
After the electric wheel is made, why Davy's designs are still not too reliable?
It is too heavy 😂
It is too expensive 😢
It is not durable 😉
It is not beautiful 🥰
What did Hermann Sprengel do to help people to make light bulbs?
A vacuum machine
A fan
A electric pole
A non heatable metal 😋
What does LED stand for? 🧬
Light Emitting Diodes
Laughing Edison Damage
Light Eternal Decodes
Light Editing Danger
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