With a few household ingredients, kids can learn about chemical reactions while making this groovy, glowing lava lamp.
Materials:
-Empty clear jars or plastic bottles
-Water
-Cooking oil
-Food coloring
-Alka-Seltzer tablet
-Optional: glitter, flashlight
Directions:
Fill a clean and empty jar or plastic bottle with water, about 1/3 of the way full.
Add a few drops of food coloring and stir. Use one color for each bottle.
Add cooking oil to fill the remainder of the jar or bottle.
Allow water and oil to settle for a few minutes.
Break Alka-Seltzer tablet into half or quarters and drop in the pieces, one at a time.
Optional: Add glitter. Turn off the lights and shine the flashlight through the bottle for an extra groovy experience.
*Do not put a cap on your lava lamp when it is actively bubbling