Useful Links

Lava Lamps:

If you're still hooked on lava lamps, and wondering how on earth they're made, below is a video worth checking out:

Or you could take a look at the following article that includes a practical you could try:

Hodges, W.J. Science Scope. Vol. 23, Iss. 7, (Apr 2000): National Science Teachers Association, Washington, United States, pg.38

The following is a article that goes into more detail about lava lamps and the best conditions for them:

Drahl, C. Lava Lamps. Chemical and Engineering News. Vol 86, Iss 7, (Feb 2008): American Chemical Society, Washington, United States, pg. 40

If you want to learn more about the optical illusion and shapes formed in the lava lamp then read this:

Clark, T. A. Lava Lamp Optics. Applied Optics. Vol. 50. Iss. 28, (2011): Optical Society of America, Washington, United States, pg. 16

And if you're stressed out or struggling to sleep, an eight hour video of a lava lamp accompanied by rain sounds can be found here: