Do you have a Lava Lamp®? If not, you’ve probably seen one at a friend’s house or on television or in a movie. There’s just something mesmerizing about watching those globs float around in that colored liquid!

These super-cool lights are generically known as liquid motion lamps. The first one was created in England in 1963 by Edward Craven-Walker. He called his creation the Astro lamp.

United States entrepreneurs Adolph Wertheimer and William M. Rubinstein brought Craven-Walker’s creation to the U.S. several years later. Their Lava Manufacturing Corporation in Chicago began to make liquid motion lamps and they soon became quite popular.

Wertheimer sold his shares of the company to Hy Spector, who further developed the product and called it the Lave Lite®. Although the company has since changed names and owners several times, it still produces almost all of the liquid motion lamps sold in the United States.

In the 1960s and 1970s, lava lamps were popular with youth and those who identified with counterculture movements, such as the hippies. Today, they’re still a popular item with youth and can be seen in many dorm rooms on college campuses around the country.

The “lava” that floats in liquid motion lamps and gives them their unique name isn’t really lava at all, of course. It’s actually a special type of wax! It sure does look like lava, though, doesn’t it?

Liquid motion lamps work on very basic scientific principles. When you add special wax to colored water inside of a lamp that is heated by a light bulb, the wax will warm and expand. Eventually, it becomes a liquid less dense than the water above it.

When this happens, the wax stretches and rises, breaking into smaller globs along the way. When it gets to the top of the lamp, it begins to cool again, since it’s farther away from the heat source (the light bulb). As it cools, it sinks to the bottom again and the process repeats.

Although the science behind liquid motion lamps is simple, making them is not. The wax and the water are made up of special secret ingredients that ensure that the specific gravity of the wax and the water are individually matched to provide the best effect possible.

24 Join the Discussion

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    • We’re glad you liked WONDERing about lava lamps® with us, Matt! We are always WONDERing about new ideas for Wonderopolis… thanks for the SUPER suggestion! :)

    • Thanks for sharing your special comment, Maddie! We are all smiles, knowing that you enjoyed our lava lamp Wonder! We hope you’ll Wonder with us soon! :)

    • It’s so fun to learn something new with great Wonder Friends like you, Atlantis A! There is always something to Wonder about… we love to use our imaginations at Wonderopolis! Thanks for sharing your comment, Wonder Friend! :)

    • We’re so glad you have learned something new about the original lava lamp®, Jack! Thanks for sharing your COOL comment with us today! :)

    • WOW, thanks for sharing your AWESOME comment with us, Charles! We are so glad you’ve been WONDERing about lava lamps with us– we agree with you, they are very COOL! :)

    • You’re right, Jack! It’s cool that the lava lamp is so simple but so mesmerizing! Thanks for sharing your comment, Jack! :)

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Have you ever wondered…

  • Why are they called Lava Lamps®?
  • Who invented the first liquid motion lamp?
  • How do liquid motion lamps work?

Wonder Gallery

orange lava lamp_shutterstock_2230141hhLava lampVimeo Video

Try It Out

Want to make your very own lava lamp? With just a few simple ingredients you probably already have around the house, you can Make a Lava Lamp with Household Ingredients! Be sure to read through the directions thoroughly first to make sure you have all the things you need. You’ll also want to get some help from a friend or family member.

When you’re finished, take a picture or a video of your homemade lava lamp. Post it to Facebook for all your Wonder Friends to see. We can’t wait to see what your lava lamp looks like!

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