1. Acids and Bases
SPS6. Students will investigate the properties of solutions.
d. Compare and contrast the components and properties of acids and bases.
e. Determine whether common household substances are acidic, basic, or neutral.

2. Activator
Are acids or bases more dangerous?

3. Acids Form hydronium ions when dissolved in water.
Turns blue litmus paper red
Has a pH lower than 7
Reacts with metals
Has a sour taste
When acids and bases react the products are a salt and water.

4. Bases Forms hydroxide ions (OH1-) when dissolved in water.
Turns red litmus paper blue
Has a pH higher than 7
Has a bitter taste
Feels slippery
When acids and bases react the products are a salt and water.

5. Household Acids Car Battery Acid Lemons Oranges Vinegar Milk
White Bread

6. Household Bases Baking Soda Soap Ammonia Drain Cleaner Shampoo
Glass Cleaner

8. Summary Identify the following pH’s as acid or base: pH = 6.6 pH = 4.5

9. Activator List one thing you have learned about acids.
List one thing you have learned about bases.

10. Acids and Bases Acids Form hydronium ions when dissolved in water.
Turns blue litmus paper red
Has a pH lower than 7
Reacts with metals
Has a sour taste
When acids and bases react the products are a salt and water.
Bases
Forms hydroxide ions (OH1-) when dissolved in water.
Turns red litmus paper blue
Has a pH higher than 7
Has a bitter taste
Feels slippery

11. Acids and Bases Common Household Substances
Common Household Substance that are Acidic
Common Household Substance that are Basic
Car Battery Acid
Baking Soda
Lemons
Soap
Oranges
Ammonia
Vinegar
Drain Cleaner
Milk
Shampoo
White Bread
Glass Cleaner