An Introduction to Dark Matter

The fascinating topic of dark matter is introduced with hands-on demonstrations and supplemented with an original and contemporary video featuring interviews with leading researchers in the field. Students will assess their comprehension with a video summary worksheet.


  • Lesson plans: An Introduction to Dark Matter
  • Videos: The Mystery of Dark Matter (approx. 30 min)
  • Activities: Video Summary (worksheet and solutions)
  • Demonstrations: Uniform Circular Motion; Gravitational Lensing
  • Supplementary Materials: Dark Matter in a Nutshell and more
  • Teacher-provided Materials: Centripetal motion apparatus (string, rubber stopper, washers, plastic tube, paper clip)

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

Intended Audience: Senior High (Gr 11-12)
Lesson Topics: Astronomy, Circular Motion, Gravity
Price: Free