Transformations in Matter and Energy Carbon TIME is an NSF-funded partnership led by Michigan State University
Activity 3.5 - Explaining Soda Water Fizzing (40 min)
Target Student Performance
Students explain how matter moves and changes when soda water loses its fizz (connecting macroscopic observations with atomic-molecular models and using the principle of conservation of matter).
Resources You Provide
- (from previous activity) 3.3 Evidence-Based Arguments Tool for Soda Water Fizzing
- 3.5 Explanations Tool for Soda Water Fizzing Worksheet
- 3.5 Explaining Soda Water Fizzing PPT
- 3.5 Grading the Explanations Tool for Soda Water Fizzing
Print one copy of the 3.5 Explanations Tool for Soda Water Fizzing Worksheet for each student. Return students’ completed versions of the 3.3 Evidence-Based Arguments Tool for Soda Water Fizzing for review.
During the class, circulate while students are comparing their explanations. Listen to see if they are able to explain soda water fizzing at both the macroscopic and atomic-molecular scales. After class, use the 3.5 Grading the Explanations Tool for Soda Water Fizzing to grade their explanations. At this point in the lesson, students should be held accountable for correct answers.