Teacher's
Corner
Standards
Addressed:
Eighth Grade Science: Focus
on Physical Science
Reactions
(5) Chemical reactions are processes in which atoms are rearranged into
different
combinations of molecules. As a basis for understanding this concept:
(e.) Students know how to determine if a solution is acidic, basic, or
neutral.
Instructional
Objectives
Students will :
1. learn the definitions of acid and base.
2. learn how to distinguish between an acid and a base.
3. learn the meaning of neutralization and be able to give the applications.
4. know how to use various indicators to determine the pH of a solution.
5. learn various natural and human causes that affect the pH of a waterway.
6. monitor the pH of a stream.
Student
Activities
Introductory
Activity
Acid
Base demonstration
Learn
more about Acid
Base Reactions at home
Enabling
Activities
Students
will complete the student information pages:
1. What are Acids and Bases ?
2. What is pH ?
3. The pH of Rivers and Streams
Culminating
Activity
Students will take a field
trip to South Wolf Creek at Lode Star, a local steam, and assess various
water quality parameters including pH.
Assessment
Students will take a multple
choice post test
and instructor will evaluate journal entries.
Results
Students will pass the post
test with a score of 80% or better
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