Groovy Lava Lamps
Teach your little scientist about density with a fun experiment that they can keep! So grab a few household supplies and give this lava lamp science activity a try!
Alka seltzer tabs
Paper towels (just incase)
To begin, color about 1/2 cup of water with food coloring of your choice.
Fill a glass about 3/4 full with vegetable oil.
Then pour in the colored water until the liquid in the cup is about 1-2 inches from the top.
Add a piece of an Alka Seltzer tab to the cup.
Watch the magic happen!