October 26

October 26
Objective:
Students will learn to determine pH of common substances in order to identify solutions as acidic or basic.

Warm Up:
1. If you stir salt into boiling water, you produce a
A. solute
B. solution
C. solvent
D. compound

2. A map of eastern North America, showing the pH of rainfall in the various states, indicates that the pH of rain in
New York State varies from 4.22 to 4.40. According to these figures, the most acidic level of rainfall in New
York State has a pH of
F. 4.22.
G. 4.30.
H. 4.35.
J. 4.40.

3. A substance with a pH of 10 is
A. a base
B. an acid
C. both an acid and a base
D. neither an acid nor a base

4. A scientist believes that a factory has been dumping acid into a local river. To test this hypothesis, which
property of water should the scientist monitor?
F. density
G. pH
H. polarity
J. temperature


Vocabulary:
1. Cohesion
2. Adhesion
3. Mixture
4. Solution
5. Solute


P~O~A
1. Warm Up and Vocabulary
2. Hand in homework
3. Review pH concepts (power point and handout)
4. pH Lab
5. Closure

Homework Due:
1. Finish Penny for your drops lab
2. Section Assessment 2-2

Tonight’s Homework:
1. BEE BOOKS ARE DUE NEXT CLASS (make sure it is neat and organized TEST GRADE)
2. Finish pH lab if you didn’t finish it


EXTRA CREDIT (Due the 28th of October)
Bring in any 5 of the following supplies for 20 points extra credit
-paper towel
-soap
-hand sanitizer
-tissues
-Pack of colored pencils
-disinfecting wipes
-national geographic magazines
-pack of markers
- Glue Sticks (3 =1 item must bring 3)