1. CST Review
Acids, Bases,
& pH

2. Copyright Richards 2009
Class WorkStudy

3. CST Review
Acids & Bases
and pH

4. BrainPop
Acids and
Bases
Brain Pop
Click picture to go to this BrainPop

5. Click picture to go to this BrainPop
BrainPop
pH Scale
Brain Pop

6. 41
CST Review Questions

7. 41
CST Review Questions

8. How can substances be classified?
BasesAcids Neutral
1. Has pH1 - pH6
2. Turns litmus red
3. Tastes sour
1. Has pH7
2. Does not change
litmus
1. Has pH8 - pH14
2. Turns litmus blue
3. Tastes bitter

9. 41
CST Review Questions

10. CST Review Questions
41

11. Think-Group-Share
What are three
classifications of
substances?

12. Think-Group-Share
What are three classifications
of substances?
 acids, bases, and neutrals

13. How can substances be classified?
Substances can be
classified as acids, bases,
or neutral.
BasesNeutralAcids

14. Think-Group-Share
Which of the following are
properties of bases?
A. Turn litmus paper blue
B. React with metals
C. pH 8 – pH 14.
D. Turn litmus paper red
E. Neutralize acids
F. Neutralize bases
F. pH 7
G. Feel slippery
H. Taste sour
I. pH 0 – pH 6
J. Taste bitter

15. Think-Group-Share
Which of the following are
properties of bases?
A. Turn litmus paper blue
B. React with metals
C. pH 8 – pH 14.
D. Turn litmus paper red
E. Neutralize acids
F. Neutralize bases
F. pH 7
G. Feel slippery
H. Taste sour
I. pH 0 – pH 6
J. Taste bitter

16. Class Work
Acids and Bases Graphic
Organizer
Turns litmus paper blue
Tastes bitter
Feels slippery
pH8 thru pH14
Neutralizes acids.

17. Think-Group-Share
Which of the following are
properties of acids?
A. Turn litmus paper blue
B. React with metals
C. pH 8 – pH 14.
D. Turn litmus paper red
E. Neutralize acids
F. Neutralize bases
F. pH 7
G. Feel slippery
H. Taste sour
I. pH 0 – pH 6
J. Taste bitter

18. Think-Group-Share
Which of the following are
properties of acids?
A. Turn litmus paper blue
B. React with metals
C. pH 8 – pH 14.
D. Turn litmus paper red
E. Neutralize acids
F. Neutralize bases
F. pH 7
G. Feel slippery
H. Taste sour
I. pH 0 – pH 6
J. Taste bitter

19. Class Work
Acids and Bases Graphic
Organizer
Turn litmus paper red
Taste sour
React with metals
Neutralize bases
pH0 - pH6

20. Think-Group-Share
Which of the following are
properties of neutrals?
A. Turn litmus paper blue
B. React with metals
C. pH 8 – pH 14.
D. Turn litmus paper red
E. Neutralize acids
F. Neutralize bases
F. pH 7
G. Feel slippery
H. Taste sour
I. pH 0 – pH 6
J. Taste bitter

21. Think-Group-Share
Which of the following are
properties of neutrals?
A. Turn litmus paper blue
B. React with metals
C. pH 8 – pH 14.
D. Turn litmus paper red
E. Neutralize acids
F. Neutralize bases
F. pH 7
G. Feel slippery
H. Taste sour
I. pH 0 – pH 6
J. Taste bitter

22. Class Work
Acids and Bases Graphic
Organizer
Do not change the color
of litmus paper.
pH 7
Do not neutralize acids
or bases.

23. Think-Group-Share
What does pH show about
substances?
 What atoms they are made of
 Their amount of energy
 How acidic or basic they are

24. Think-Group-Share
What does pH show about
substances?
 What atoms they are made of
 Their amount of energy
 How acidic or basic they are

25. What is pH?
V. pH shows how acidic or
basic a solution is.

26. Think-Group-Share
Match each type of
substance with its pH range.
 bases a) pH 7
 acids b) pH 8 - 14
 neutrals c) pH 0 - 6

27. Think-Group-Share
Match each type of
substance with its pH range.
 bases - b) pH 8 - 14
 acids - c) pH 0 - 6
 neutrals - a) pH 7

28. What is pH?
B. pH0 - pH6 = acids.
Acids = pH0 - pH6

29. What is pH?
C. pH7 = neutral (ex: water).
Neutral = pH7

30. What is pH?
B. pH8 - pH14 = bases.
Bases = pH8 - pH14