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| | Science, Federal Resources for Educational Excellence (FREE) |
 | | Antimatter, beta rays, fission and fusion, the structure of the atomic nucleus, how elements on the earth were produced, how we use the nucleus in every day life, and the effects of radiation in the environment are among the topics. |
 | | Activity-Based Physics presents "thinking problems" for physics topics: vectors, kinematics, momentum, circular motion, universal gravitation, sound, energy, temperature, and circuits. |
 | | Advanced Technology Environmental Education Center provides information on careers, training, and professional development; environmental programs in high schools and colleges; curricula for high school and associate degree programs; and instructional units on 5 topics: water quality, a hazardous materials accident, environmental risk assessment, infectious diseases, and environmental justice. |
| wdcrobcolp01.ed.gov /cfapps/free/displaysubject.cfm?sid=8&subid=75 (1163 words) |
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