Learn what fluoride is, including the difference between fluoride and fluorine. Learn about fluoride uses and risks.
Monthly Archives: September 2021
Get examples of household acids and bases. Learn the names of acids and bases in familiar home chemicals and see how to test their pH.
Household Acids and Bases
Use leaf chromatography to separate pigments in autumn leaves, spinach, or other plants. It's a fun science project suitable for all ages.
Leaf Chromatography Experiment – Easy Paper Chromatography
Learn how to make goldenrod paper and understand how it works. Make other color changing paper in any shade of the rainbow.
How to Make Goldenrod Paper – Color Changing Paper
Learn about the fake blood chemical reaction and see how to perform three easy chemistry demonstrations, including the bleeding knife trick.
Fake Blood Chemical Reaction – 3 Chemistry Demonstrations
Try color change chemical reactions and other colorful chemistry projects. Learn when color change is and is not a chemical change.
Color Change Chemistry Projects – Chemical Reactions and More
These periodic table flash cards have essential facts for all 118 elements. The PDF is free and easy to print.
Periodic Table Flash Cards – Free Printable PDF Element Facts
Try the color change volcano chemistry demonstration. This experiment uses a pH indicator that changes the lava from purple to orange.
Color Change Volcano Chemistry Demonstration
Learn what an exact number is in chemistry, physics, and math. Get the definition and examples of exact numbers.