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109-Lava_Lamp-01

Lava Lamp
Density
Experiment!

Want a groovy way to look at density? In this experiment, we use stacking liquids with unique properties along with some effervescence to build our very own lava lamp!

Making a Lava Lamp

Materials

  • Clear Container

  • Water

  • Oil (could be baby, vegetable, or canola)

  • Food colouring •Alka-seltzer tabs

Procedure

  1. Fill your container 1/3 with water.
     

  2. Put in a few drops of food colouring.
     

  3. Fill the rest of the container with oil.
     

  4. Break an alka-seltzer tab into pieces and drop them in to watch your lava flow!

This experiment is great for beginners and can be done with household ingredients.

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