NASA - National Aeronautics and Space Administration

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

Audience: Educators
Grades: 5-8


Most information about objects in space comes to Earth in the form of electromagnetic radiation. In this unit students can build simple telescopes; compare the power of light-gathering lenses; and use liquid crystal sheets to detect infrared radiation. Reproducible student sheets are included.

Collecting Electromagnetic Radiation Unit  [242KB PDF file]

This unit of study is part of the Space-Based Astronomy Educator Guide.