Name: __________________________________
Acids, Bases and pH
1.
Examine the picture below and answer the following questions
1.
The pH scale is ___________.
2. The higher the number is, the more ___________ the solution.
3. The lower the number is, the more ____________ the solution.
4. A pH of _____________ is neutral.
5. A neutral solution has equal amounts of ________ and ________ ions.
6. An acidic solution has more ________ ions than _________ ions.
7. A basic solution has more ________ ions than _________ ions.
8. A __________ helps a solution resist changes in pH.
Word Bank:
H +
OH _
Buffer
7
Acidic
Basic
1-14
*can use more than once

Quia’s The pH scale
Using www.quia.com/rd/1975.html
, put the list in order by entering the numbers 1 through 14 in the fields provided. Do not record your answers on the worksheet until you know that they are correct.
Vinegar
Tomatoes
Pure Water
Household Ammonia
Baking Soda
Coffee
Lemon Juice
Stomach Fluids
Rolaids, Tums
Bleach
Lye
Blood
Milk
Borax
For the following solutions tell if they are acidic, basic, or neutral. Use your book, notes, or internet to help you.
Circle one for each substance:
Stomach Acid
Saliva acidic
acidic basic basic neutral neutral
Human blood
Acid rain acidic acidic
Sulfuric acid
Lysol (ammonia)
acidic acidic basic basic basic basic neutral neutral neutral neutral

Station 2: Brainpop’s Acids and Bases video