Light Bulb By:Aiki Nakamura. Information The first light bulb was first invented by Thomas Alva Edison and Joseph Swan. The reason it lights up because.

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Presentation transcript:

Light Bulb By:Aiki Nakamura

Information The first light bulb was first invented by Thomas Alva Edison and Joseph Swan. The reason it lights up because a metal called filament heats up inside the glass.

How It Helped We use light bulb to light up things by electricity. This is a social change since it changed most of our life.

Environmental Light bulb is better than using oil lamps because it does not waste natural resources.

advantage Makes your life easier by not being dark in night. We us light bulb so our area could be bright. Different from oil lamps, light bulbs are safer and cleaner.

Disadvantages The disadvantage of the light bulb is the heat that is given off by the bulb. This heat is a wasted energy that is been paid, but which is not being used.

Questions Would there be a light bulb that would waste way less energy then the modern types?

Sources "Incandescent Light Bulb." Wikipedia. Wikimedia Foundation, 22 May Web. 22 May "Light Bulb History - Invention of the Light Bulb." Light Bulb History - Invention of the Light Bulb. Web. 22 May "What Are the Advantages and Disadvantages of Incandescent Light Bulbs?" WikiAnswers. Answers. Web. 22 May nt_light_bulbs