Reflection: Rigor How Can You Measure pH? - Section 3: The Scientific Method: Last

 

Critical thinking required! Engaging in argument from evidence adds rigor to student's thinking. An important skill, Science & Engineering Practice #7 engage in an argument from evidence, students "defend a new idea or an explanation of a phenomenon." I want my students to practice this skill by:

  • defending their explanation
  • formulating evidence based on solid data
  • examining their own understanding in light of the evidence
  • collaborating with peers in searching for the best explanation

 

A phenomenon (noun) is a fact, occurrence, or circumstance observed. The phenomenon: How does matter behave? What are common household acids and bases? How do acids and bases interact? By asking students to use reasoning and argument to clarify the strength or weakness of their evidence, they will identify the best explanation for a natural phenomenon.

  Engaging In Argument From Evidence
  Rigor: Engaging In Argument From Evidence
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How Can You Measure pH?

Unit 8: Matter and Atoms
Lesson 12 of 12

Objective: SWBAT use pH paper to identify common acids and bases. SWBAT categorize data collected about acids and bases to create a chart illustrating the data.

Big Idea: Why is it important to measure pH? Why should you measure pH of household solutions? Students investigate by testing common household acids and bases like cola, baking powder, vinegar, and lemon juice.

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Subject(s):
Science, Matter and its Properties, Acids and Bases, neutral, pH scale, physical properties of matter
  80 minutes
2713 ph scale 01
 
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