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A lava lamp works because of the interaction between heat and wax. The heat from the lamp causes the wax to rise to the top, and as it cools, it falls back down. This cyclical motion creates the colorful bubbles you see in a lava lamp.

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1y ago

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What makes lava lamp bubbles flow up and down?

Lava lamp bubbles flow up and down due to a combination of heat from the lamp's bulb causing the liquid to expand and become less dense, causing it to rise, and then cooling as it moves away from the heat source, becoming more dense and sinking back down. This continuous cycle creates the mesmerizing motion of the bubbles in a lava lamp.


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What happens if you out the entire alka-seltzer tablet into a homemade lava lamp?

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A hypothesis for making a lava lamp could be: "If I combine oil, water, and effervescent tablet in a bottle, then the chemical reaction will cause bubbles to form and rise to the top, creating a lava lamp effect."