Why Doesn't the Moon Fall Down? The Model Nature of Science

Students are introduced to the power of scientific models through a series of brief and accessible animated videos. Through discussion, students develop an understanding that a model that fails to make correct predictions must be modified or replaced and practice building their skills of scientific model creating and refining.


  • Lesson plans: Why Doesn't the Moon Fall Down?
  • Videos: Why Doesn't the Moon Fall Down? How Can Atoms Exist? How Does a Flashlight Work? What Keeps Us Stuck to the Earth? (all videos each approx. 1 min long)

(Note: all lesson plans and worksheets provided as PDFs and modifiable MS Word documents)

Intended Audience: Junior High (Gr 9-10), Senior High (Gr 11-12)
Lesson Topics: Astronomy, Gravity, Process of Science
Price: Free