Here are the liquids used to make a 14 layer density column. Use food coloring to dye colorless layers.
Science Projects
It's easy to make yellow fire using table salt, which contains sodium, or by adding iron filings.
How to Make Golden and Yellow Fire
Find out why fire is hot, learn how hot it is, and see the temperatures of various colors of flames from different types of fuels.
Why Is Fire Hot? How Hot Is It?
Purple fire comes from metal ions, such as potassium.
How to Make Purple Fire
Learn how to preserve homemade crystals, such as borax, salt, and copper sulfate.
How to Preserve Crystals
Here is how to make lye from water and ashes, how to get solid lye from lye water, and how to make soap from homemade lye. Lye made from ashes is potassium hydroxide (KOH). The other type of lye is sodium hydroxide (NaOH). Sodium hydroxide lye is used for hard […]