Daily Archives: May 29, 2013

Colored Soap Bubble (brokenchopstick, Flickr) 1
Clear bubbles are a lot of fun, but you can make colored soap bubbles, too. Here’s a recipe for pink or blue colored bubbles, based on disappearing ink (a type of acid-base indicator), so the bubbles won’t stain surfaces when they land. Colored Bubble Materials Liquid Dishwashing Detergent (or other […]

Make Homemade Colored Soap Bubbles

Crystal Garden (Anne Helmenstine) 1
The charcoal crystal garden is a classic crystal-growing project. You use charcoal briquettes, cardboard or a sponge, ammonia, salt, bluing, and food coloring to grow a crystal garden. The components of the garden are not edible, so adult supervision is recommended. Materials charcoal briquettes, cardboard, or pieces of sponge or […]

Grow a Charcoal Crystal Garden