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Plants | Activity 3.2PT

Activity 3.2PT: Observing Plants’ Mass Changes, Part 1 (30 min)

Target Student Performance

Students harvest their radish plants and dry down the plants and the paper towel or gel in preparation for Activity 3.4.

Resources You Provide

  • Containers of radish plants from the Pre-Lesson (1 per group)
  • Digital scale (1 per group)
  • Small paper bags or envelopes for drying plants (1 per container)
  • Sunny windowsill or drying oven (domestic ovens work at low settings)
  • Markers to label plants by student or group (1 per group)

Resources Provided

Setup

Prepare your computer and projector for the 3.2PT Observing Plants’ Mass Changes, Part 1 PPT. Print one copy per student of the 3.2PT Observing Plants’ Mass Changes, Part 1 Worksheet.

Directions

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

Assessment

Since this activity is primarily an opportunity for students to harvest their plants for Activity 3.4, there is little content in this activity to assess. You can use 3.2PT Grading Observing Plants’ Mass Changes, Part 1 Worksheet to grade your students’ work in collecting observations on 3.2PT Observing Plants’ Mass Changes, Part 1 Worksheet.

Differentiation
  • Strategic grouping with strong speakers 
  • Compare class data orally and on the spreadsheet
Modifications
Extending the Learning
  • Follow the same procedures to investigate other plants growing, such as peas.