Classroom Activity

Building a Telescope
First page of Building a Telescope

The information in this document was accurate as of the original publication date.

Audience: Educators
Grades: 9-12


By using mailing tubes and convex lenses along with other household items, students build refracting telescopes. After building them, students compute the power or magnification of their telescopes.

Building a Telescope  [155KB PDF file]

This activity is part of the Optics Educator Guide.