Investigating Cosmic Rays

A CIPT Lab Exercise in Modern Physics


Cosmic rays are not really rays; they are subatomic particles found in space that have high energies as a result of their rapid motion.  These rays filter through the earth's atmosphere and can be studied using special detectors.  In this lab, students build a Cloud Chamber which will help them to study these exotic particles from the far reaches of outer space.

Appropriate Levels

All High School Physics, AP Physics

Time Required

One 40-minute class period.


The Cloud Chamber Kit is available from West Hill Biological Resources as Catalog # CNS301.

CNS-301 - Cloud Chamber
20.00 39.95
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Copyright for this material is held by Cornell University, the Cornell Institute for Biology Teachers (CIBT), the Center for Nanoscale Systems Institute for Physics Teachers (CIPT), and or West Hill Biological Resources, Inc., 2014. This work may be copied by the original recipient from this web site to provide copies for users working under the direct supervision of the original recipient. All other redistribution of this content without the express written permission of the copyright holder(s) is prohibited.

Price: No Charge

Lora Hine