Answer:

The incandescent light bulb turns electricity into light by sending the electric current through a thin wire called a filament. Electrical filaments are made up mostly of tungsten metal. The resistance of the filament heats the bulb. Eventually the filament gets so hot that it glows, producing light.

Explanation:

ANSWER:

Question: What does light bulbs light up?

Answer: When a light bulb connects to an electrical power supply, an electrical current flow from one metal contacts to another. As the current flows through the wires and the filament, it heats up to the point where it begins to emit packets of visible light.

EXPLANATION:

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