How to Make a Lava Lamp - Easy

The World's Easiest Lava Lamp.
This is an easy, fun science activity that is great for any age. In fact, our video crew eneded up taking the extra bottles home to show their friends. It is also a great demonstration of liquid density, the release of gases in a chemical reaction, acids and bases, intermolecular polarity, and well, just plain science coolness. Watch the video, read the instructions (link below) then TRY IT!

Full written directions can be found at:



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    10 Discussions

    king viper

    8 years ago on Introduction

    hey guy im in Australia and i have no idea what alka seltzer is can someone post what another name is for it plz

    6 replies

    Alka seltzer is a large pill like substnce that is used for stomach relief. It fizzles when you put it in water. In Mexico its a powder...

    douksking viper

    Reply 7 years ago on Introduction

    its like a Medication for pain ..... like in France its does not Exicte we have Panadol , Doliprane .


    9 years ago on Introduction

    but the bubbles won't last forever... just the time the alka seltzer disolve entirely, but when it finish, the effect will stop, and i want the effect every time... i suppose that i'll have to use the normal way to do it... however thanx!

    1 reply

    Reply 8 years ago on Introduction

    You can try making an air pump underneath but I recon the construction won't be small and beautiful. 


    9 years ago on Introduction

    I found this experiment awesome. i tried it and it worked wonderful with a light under it