Activity 3.3: Evidence-Based Arguments about Bread Molding (50 min)

Target Student Performance

Students (a) use data from their investigations to develop evidence-based arguments about how matter moves and changes and how energy changes when bread molds, and (b) identify unanswered questions about matter movement and matter and energy change that the data are insufficient to address.

Resources You Provide

Resources Provided

Recurring Resources


Print one copy of 3.3 Evidence-Based Arguments Tool for Bread Molding for each student. Make sure that the Bread Mold Class Results 11 x 17 Poster (or Spreadsheet) from the previous activity is available. Prepare a computer with an overhead projector to display the 3.3 Evidence-Based Arguments Tool for Bread Molding PPT


1. Use the instructional model to show students where they are in the course of the unit.


During the class discussion, listen for students making connections to the investigation and their arguments. Are they drawing on observations from the investigation, or from other sources of knowledge and experience? Use the 3.3 Grading the Evidence-Based Arguments Tool for Bread Molding to assess your students’ thinking at this point in the unit. At this point they have concluded their “up the triangle” inquiry journey, and are headed “down the triangle” for the application sequence.


Have the students store their 3.3 Evidence-Based Arguments Tool for Bread Molding in the same place as their Expressing Ideas and Predictions Tools so they can be easily revisited.

  • Have strategic grouping with strong speakers 
  • Provide sentence stems for discussion and filling in the Evidence-based Arguments (EBA) tool
  • Refer to previous EBA tool from Systems and Scale Unit, if applicable
  • Compare the EBA tool to Predictions and Planning tool. Have students verbalize similarities and differences in groups before sharing with the class
Extending the Learning
  • Have students make predictions and design investigations to see how the results of the investigation would change if they used different types of food.