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Laabri

Uses of Energy - Lava Lamps

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Last updated 20 days ago
5 Nsɛmmisa
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Asemmisa {{asɛmmisaAhyɛnsode}}
1.

Watch the video above. Then answer the question below. Which form of energy allows the lightbulb to turn on?

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2.

Watch the video above. Then answer the question below. Which forms of energy does the lightbulb convert electrical energy to?

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3.

Select ALL the forms of energy needed to make a lava lamp work.

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4.

Place the steps below in sequential order of how a lava lamp uses and converts energy.

  1. Electrical energy is used to turn on the lightbulb.

  2. The materials inside the lava lamp are heated at different rates, changing their densities.

  3. Once the density of the material is greater than the water, it begins to sink.

  4. After the heated material floats to the top away from the heated lightbulb, it begins to cool, causing the density to increase.

  5. Once the material is back at the bottom of the lava lamp, the process repeats.

  6. Thermal energy is produced from the lightbulb being on for a while.

  7. As one material heats up, it becomes less dense and floats toward the top.

  8. Light energy is produced by the lightbulb.

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5.

What are other real-life examples that convert electrical energy to light or thermal energies?