Lava  Lamp Science Experiment

– Glass bottle or jar – Alka-seltzer tablets – Food coloring – Vegetable oil – Water

Materials Needed:

Fill a glass 1/2 full of vegetable oil and 1/4 full of water.

Step 1

Add 5-6 drops of liquid food coloring to the mixture.

Step 2

Drop in an Alka-Seltzer (or any effervescent ) tablet and watch the lava lamp come to life!

Step 3

Watch as the colorful bubbles of water make their way up through the oil.  Add more food coloring to make the bubbles more vibrant.

Step 4

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