Contents:
LESSON 1 Guidelines
for Investigating River or Stream Water Quality
Teacher Notes Student
Information
1.1: Journal Writing Student Information
1.2: Safety
Guidelines and Contract Student Information
1.3: Lab and Field
Techniques Student Information
1.4: The Quality of Your River or
Stream Student Information
1.5: Accuracy and Precision of Data
Student Information
1.6: Should All Data Be Used?
LESSON 2 The pH of
River or Stream Water
Teacher Notes Student
Information
2.1: What Are Acids and Bases Student Information
2.2:
What Is pH? Student Activity
2.3: Finding the pH of Some Common
Liquids Student Information
2.4: The pH of Rivers and Streams
Student Activity
2.5: Measuring the pH of a River or Stream
LESSON 3 Temperature
and Flow Rate of a River or Stream
Teacher Notes Student
Information
3.1: Causes and Effects of Temperature Change in a
River or Stream Student Information
3.2: How to Determine
Temperature Change and Flow Rate Student Activity
3.3: Measuring
Temperature Change and Flow Rate of a River or Stream
LESSON 4 Turbidity
in River or Stream Water
Teacher Notes Student
Information
4.1: What Is Turbidity? Student Information
4.2: How
Can Turbidity Be Measured? Student Information
4.3: How Does a
Water Treatment Plant Handle Turbidity? Student Activity
4.4:
Reducing Turbidity in Water Student Activity
4.5: Measuring the
Turbidity of a River or Stream
LESSON 5 Total
Solids in River or Stream Water
Teacher Notes Student
Information
5.1: What Is Meant by Total Solids? Student
Information
5.2 What Is Meant by Hard and Soft Water? Student
Activity
5.3 Determining the Hardness of Water Student Activity
5.4: Measuring Total Solids in a River or Stream
LESSON 6 Dissolved
Oxygen in River or Stream Water
Teacher Notes Student
Information
6.1 What Is Dissolved Oxygen? Student Activity
6.2
Investigating the Solubility of Gases Student Activity
6.3
Measuring Dissolved Oxygen in a River or Stream
LESSON 7 Biochemical
Oxygen Demand in River or Stream Water
Teacher Notes Student
Information
7.1: What Is Biochemical Oxygen Demand? Student
Activity
7.2: Measuring Biochemical Oxygen Demand in River or
Stream Water
LESSON 8 Phosphates
in Rivers and Streams
Teacher Notes Student
Information
8.1 Phosphates in Our Waterways Student Activity
8.2:
Standardizing a Phosphate Test Kit Student Activity
8.3 Measuring
Phosphate Levels in a River or Stream
LESSON 9 Nitrates in
Rivers and Streams
Teacher Notes Student
Information
9.1: Nitrates in Our Waterways Student Activity
9.2
Standardizing a Nitrate Test Kit Student Activity
9.3 Measuring
Nitrate Levels in a River or Stream
LESSON 10 Fecal
Coliform Bacteria in Rivers and Streams
Teacher Notes Student
Information
10.1: What Are Fecal Coliform Bacteria? Student
Information
10.2 Sterilization and Sampling Techniques for Fecal
Coliform Tests Student Activity
10.3: Measuring Fecal Coliform
Levels in a River or Stream Student Activity
10.4: Calculating the
Overall Water-Quality Index for Your River or Stream
APPENDIX A
Assessment Tools
Teacher Notes for
Assessment Tools
Student Assessment: Keeping a Science Notebook
Student Assessment: River Collage Student Assessment: Portfolio
APPENDIX B
Assessment Activities for Specific Lessons
Teacher Notes for
Assessment Activities for Specific Lessons
Assessment for Lesson
2: Dilution of an Acid
Assessment for Lesson 3: More Than One
Answer Evaluating Change
Assessment for Lesson 4: The Turbidity of
Milk
Assessment for Lesson 6: How Much Oxygen in the Fish Tanks?
Assessment for Lesson 8: Phosphates in Detergents
Challenge
Project for Lesson 10: Telecommunications
APPENDIX C Answers
and Solutions for Student Information and Student Activity Sheets
APPENDIX D Preparing
Standard Solutions
APPENDIX E Using a
Spectrophotometer
APPENDIX F Resources
GLOSSARY
Description
and Picture
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