The A’s & B’s of Science

All substances can be classified as an acid, base, or neutral substance. Each type interacts with other substances in a unique way and must be properly handled.

After completing this activity, you will be able to identify common substances according to their properties and properly classify them as an acid, base, or neutral substance.

Use the following sites as you gather your information:

http://www.chem4kids.com/files/react_acidbase.html

http://www.chemtutor.com/acid.htm

Copy the following table and pH scale on your own paper. Complete the chart as you read through the sites.

	Acids	Bases	Neutral
pH range
Characteristics
Example substances

Once you have read the information found in the sites, place each of the following descriptions/items in the appropriate place on the pH scale:

Acid

Neutral

Base

Concentration of H+ ions strongest

Concentration of oH- ions strongest

Orange Juice

Liquid soap

Pure water

Soda pop

Tears

Baking soda

Vinegar

pH Scale