Activity 6.3: Comparing Plants and Animals (50 min)

Target Student Performance

Students compare how matter moves and changes and how energy changes in a growing tree vs. a growing child, connecting macroscopic observations with atomic-molecular models and using the principles of conservation of matter and energy.

Resources Provided

Recurring Resources


Prepare one copy of 6.3 Comparing a Growing Tree and a Growing Child Worksheet for each student. Prepare a computer and a projector to display the PPT. If you are using it, print one copy of the Big Idea Probe: Houseplant for a Busy Family for each student.


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

Extending the Learning