How To Make A Lava Lamp With Alka Seltzer

To each jar or bottle fill it with 1 2 inches of water add 5 drops of food coloring and then fill it at least three quarters full with vegetable oil.

How to make a lava lamp with alka seltzer. Directions with alka seltzer add water to your jar until it is around 14 full. Oil and water do not have the same density and wont mix. Then add some salt and watch. Fill the rest of the glass with vegetable oil.

Pour vegetable oil or baby oil to your jar until it is about an inch or two away from the top. If you do not want to use baking soda or vinegar you can make your own lava lamp with salt. Add a bit of vegetable oil and wait until a layer is formed. Add a few drops of food coloring.

Add a couple of drops of liquid food coloring and watch it go through the layer of oil and start to mix with the water below. Place your flashlight face up on the table turn it on and put your glass on top of it. Fill 14 of your glass container with water. Thankfully its easy to create a magical lava lamp sensory bottle thats completely safe for kids with this alka seltzer science experiment using four household pantry staples.

Follow the tutorial below to make a lava lamp sensory bottle in less than five minutes.