Target Student Performance
Students (a) practice using two key tools for investigation—digital balances and BTB—with accuracy and precision and (b) describe how they can use these tools to detect matter movement and matter change.
Resources You Provide
- BTB, blue (1 cup per group of four students)
- clear plastic cups (1 per group of four students)
- digital balance (1 per group of four students)
- paper clips (10 per group of four students)
- safety glasses (1 per group of four students)
- straws (1 per group of four students)
Resources Provided
- 2.5 Class Results for Investigation Tools 11 x 17 Poster
- 2.5 Class Results for Investigation Tools Spreadsheet
- 2.5 Investigation Tools PPT
Recurring Resources
- Learning Tracking Tool for Systems and Scale (1 per student)
- Assessing the Learning Tracking Tool for Systems and Scale
- (Optional) BTB Color Handout
- BTB Information and Instructions Handout
Setup
Prepare the materials listed above for each group, including diluted BTB solution. Use the instructions on the BTB Information and Instructions Handout for details about how to prepare the BTB. Print one copy of the 2.5 Class Results for Investigation Tools 11 x 17 Poster and post it to the wall in an accessible location, or prepare to display the 2.5 Class Results for Investigation Tools Spreadsheet. You may want to print one copy of the BTB Color Handout for each group, but this is optional.