Tag

chemical change Archives - Taylor Made Science

ChemistryInteractions of Matter

Invisible Ink as a Chemical Reaction

Kids love spy gadgets and mystery! Use homemade invisible ink to write secret notes, then teach your child the science behind the process used to reveal the hidden messages. There are many ways to make invisible ink. To use one of the safest methods, just use a Q-tip to write or draw on white paper with lemon juice. Actually, any fruit juice that contains citric acid will work, but lemon juice tends to dry the…
Cheryl Taylor
July 14, 2014
ChemistryInteractions of Matter

Cooking Up a Chemical Change

Chemical change can be a hard concept for children to understand. It's much easier to explain a physical change. Water freezes into ice. The ice is still water and can be melted back into liquid water. Tear a piece of paper in half, and you still have the same paper. Both are physical changes. But how do you demonstrate chemical change? The easiest example of a chemical change is burning a piece of paper. The…
Cheryl Taylor
April 11, 2014