Using a few materials from around the house, you can prove water and oil do not mix. Materials STEP 1: Fill the plastic bottle three quarters of the way with vegetable oil. STEP 2: Fill the ...

Water molecules are also polar, meanwhile oil is a non-polar substance, which is why the two do not mix. To create the lava lamp, all you need to do is break up the Alka-Seltzer tablets and drop ...

BAKERSFIELD, Calif. (KGET) — Learn how to make Alka Seltzer fireworks in this week’s Fourth of July-themed segment of Elaina’s Experiments. STEM educator at Del Oro High School, Kristen ...

If you pop in an Alka-Seltzer tablet, it reacts with the water, causing colored droplets of water to rise to the top. As they rise, they pop, release air, and sink back to the bottom.

All you need for this at home science experiment is pepper, soap and water (oil and milk can also be used in addition to water, and will yield different results). Put the pepper into the water.

Beth Harris, a Raleigh mom of two, long-time science educator and creator of Fort Kits for Kids, is back with another easy experiment you can do at home with your kids.

Francie Diep is a science journalist based in Santa Barbara, California. Besides Popular Science, her work has appeared in Scientific American, Smithsonian, and elsewhere.She's fascinated by genes ...