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Pinned by Elizabeth Cely

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DIY Lava Lamp: chemistry for kids You will need 3 empty water bottles ( I don't normally buy this kind of water, but they make pretty lava lamps with the lids on), food coloring, vegetable oil, and alka seltzer. Fill each bottle a little more than half with oil, fill the rest with water, leaving an inch at the top. a few drops of coloring and the alka seltzer, and presto.Elizabeth Cely

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