Explore Science with this DIY Lava Lamp

Explore Science with this DIY Lava Lamp

This DIY lava lamp makes it easy for your child to understand the density of different liquids. Find out which secret ingredient puts everything in motion!


  • Clear bottle
  • Water
  • Vegetable oil
  • Food coloring
  • Effervescent tablet


  • Fill a bottle 1/4 full with water.
  • Fill the rest of the bottle with vegetable oil.
  • Let sit until the oil and water separate.
  • Add a dozen drops of food coloring, and make sure they mix with the water.
  • Cut up an effervescent tablet.
  • Drop a piece of the effervescent tablet into the bottle. Add more to keep the fun going!

If you enjoyed this fun craft, check out more science activities for kids.

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