Compounds are classified as acids, bases, and salts.

Acid/base indicators are described and used to identify substances as acids or bases.

A crash course on the basic differences between acids and bases.

Having a group discussion about acids, bases,. 2. and chemical reactions while the messages dry. Testing out different ways to reveal the message. 3.

Lemon juice and vinegar are acidic, while baking soda is alkaline, or a base. ... Visit PBS Kids for some kitchen chemistry experiments with acids and bases.

He knew all about acids and bases which led him to uncover the invisible writing. That gave Jay a total of 100 points making him the daily winner. His prize was ...

pennies with spots of black or green discoloration. All pennies should be about equally dull. • Get pH paper, which indicates if something is an acid or a base.

This half-hour video shows how acids and bases are found all around us and the currency of acid-base chemistry is the proton, or hydrogen ion. Acid-base ...

If it turns reddish, it's an acid; if it turns bluish- green, it's a base. • Place the strip on your data sheet and write down whether the liquid is an acid or a base.

This interactive activity adapted from EcoKids introduces acid rain—how it affects aquatic ecosystems, the difference between acid rain and normal rain, and ...