administration student task rubric student work technical quality

Radioactive Decay

Grades 9-12 Performance Task

Contributed by: Council of Chief State School Officers (CCSSO)

Students investigate the concept of radioactive decay and half-life using a model system to simulate the process. The objective of the event is to help students understand radioactive decay and be able to relate it to the concept of half-life.


©1997-2005 SRI International. All rights reserved. Terms of Use