Let's test Density with Liquid Layer Art! Here's what you will need: Water Isopropyl alcohol Salt Glycerin Food coloring (blue, red, yellow, green) Clear cup or glass, a narrow cup … [Read more...]
by BobHagan
Let's test Density with Liquid Layer Art! Here's what you will need: Water Isopropyl alcohol Salt Glycerin Food coloring (blue, red, yellow, green) Clear cup or glass, a narrow cup … [Read more...]