Make a color change thermometer that oscillates between pink and blue according to temperature. It's a simple and dramatic chemistry project.
Daily Archives: January 27, 2017
Pull a wire through an ice cube without cutting the cube! This trick works thanks to a phenomenon called regelation, in which the ice melts from the pressure of the wire and freezes up after the wire passes. Here’s how to put a wire through an ice cube or hang […]
Pull a Wire through an Ice Cube – Science Project
If you’ve ever seen a mummy in a museum, you might have thought the ancients went a little overboard with henna and other red dyes. While people have colored their hair practically forever, it’s more likely what you’re seeing is the change in hair color that occurs after a person […]
Your Hair Color Changes After You Die
Question: What Is Liquid Smoke? You may have used liquid smoke in a recipe or seen it on the grocery store shelf. Liquid smoke imparts a barbecued or smoky flavor to food. Here’s a look at what liquid smoke really is. Answer: Basically, liquid smoke is just what the name […]
What Is Liquid Smoke? Chemical Composition
These are facts, chemical properties and physical properties of sodium bicarbonate, which is also known as baking soda or sodium hydrogen carbonate. Baking soda makes baked foods rise, but the chemical has a lot of other uses. It’s a common, safe weak base. Sodium Bicarbonate Facts and Properties CAS number […]