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20 oz - Clear Liquid with Silver Glitter 15" high 4" wide lava® brand lava lamps $15.75 Add Lamp To Cart |
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Orange Juice Motion Lamp - Orange Wax within clear liquid 14" high 4" wide This Lamp is not a Lava® Brand Lava Lamp $25.89 Add Lamp To Cart |
8 oz. Accent - White Wax with Pink Liquid 10" high 2.6" wide lava® brand lava lamps $13.69 Add Lamp To Cart |
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Screen displays constantly changing LED patterns and designs! 6.3" high 6.3" wide lava® brand lava lamps $20.99 Add Lamp To Cart |
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LAVA® Table Lamp - Red Wax with Clear Liquid 18.5" high 4.5" wide lava® brand lava lamps $25.99 Add Lamp To Cart |
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32 oz - Good Girl/Bad Girl Resin - Purple Wax with Clear Liquid 16.5" high 4.5" wide lava® brand lava lamps $22.99 Add Lamp To Cart |
32 oz - Diamond Plate Design Resin - Black Wax with Clear Liquid 16.5" high 4.5" wide $22.99 Add Lamp To Cart |
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8 oz. Accent - White Wax with Blue Liquid 10" high 2.6" wide lava® brand lava lamps $13.69 Add Lamp To Cart |
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Ketchup Motion Lamp - Red wax moves through clear liquid 14" high 4" wide This Lamp is not a Lava® Brand Lava Lamp $25.89 Add Lamp To Cart |
52 oz - Yellow Wax with Blue Liquid 16.5" high 5" wide lava® brand lava lamps $19.75 Add Lamp To Cart |
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20 oz - Orange Liquid with Silver Glitter 15" high 4" wide lava® brand lava lamps $15.75 Add Lamp To Cart |
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Screen displays constantly changing LED patterns and designs! 6.3" high 6.3" wide lava® brand lava lamps $20.99 Add Lamp To Cart |
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32 oz - Dead Man's Hand Resin - Red Wax with Clear Liquid 16.5" high 4.5" wide lava® brand lava lamps $22.99 Add Lamp To Cart |
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LAVA® Table Lamp Ltd. - Clear Liquid with Silver Glitter 18.5" high 12" wide $25.99 Add Lamp To Cart |
Crayon Motion Lamp - Yellow wax bubbles through blue liquid 17" high 4" wide This Lamp is not a Lava® Brand Lava Lamp $19.89 Add Lamp To Cart |
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Lightning™ 2 - Green Plasma with Speed Control 15" high 4" wide lava® brand lava lamps $26.99 Add Lamp To Cart |
Crayon Glitter Lamp - Silver Glitter in Pink Liquid 17" high 4" wide This Lamp is not a Lava® Brand Lava Lamp $19.89 Add Lamp To Cart |
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52 oz - White Wax with Blue Liquid 16.5" high 5" wide lava® brand lava lamps $19.75 Add Lamp To Cart |
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Milk Motion Lamp - White milky wax floats through blue liquid 14" high 4" wide This Lamp is not a Lava® Brand Lava Lamp $25.89 Add Lamp To Cart |
The coolest thing about lava lamps, of course, is that they produce distinct amorphous blobs that rise and fall in the lamp's "globe" on their own. To produce this effect, you need to pick your two insoluble compounds very carefully. In our oil and water jar, the water ends up on the bottom because it has a much higher density than oil. Simply put, a liquid with a higher density pushes a lower-density liquid upward (for more on this, check out How Helium Balloons Work).
To get blobs that will float around, you need two substances that are
very similar in density. Then you need to be able to change the density
of one of the compounds so that sometimes it is lighter than the other
compound (and so floats to the top) and sometimes it is heavier (so that
it sinks to the bottom). By having compounds that have similar densities,
the blobs can easily switch between rising and sinking.
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