Learn the Issues
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RadTown Radiation Exposure Activity 4: Exposure Pathways
Radioactive material, or radionuclides, travel in different ways. This activity asks students to create webs or chains that describe the ways in which we may interact with radiation through the world around us.
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RadTown Radiation Exposure: Vocabulary Activities
Learn more about radon with your students! This page provides background information for teachers and parents. Each RadTown activity for the classroom is Common Core State Standard (CCSS) and Next Generation Science Standard (NGSS) aligned.
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RadTown Classroom Materials: The Radioactive Atom
The RadTown Radioactive Atom activities are designed to help students identify the structure of an atom and describe the structural changes that occur in unstable (radioactive) atoms as they decay.
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National Grants: Past Program Documents
This is a landing page for past National DERA RFPs and their supporting documents
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RadTown Radioactive Atom Activity 5: Half-Life
When a radioactive atom decays, it becomes a different element. The amount of time that it takes one half of the atoms present to decay is called “half-life.” Help your students understand half-life with this free classroom activity.
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Basic Information about Carbon Monoxide (CO) Outdoor Air Pollution
Carbon Monoxide is a gas mainly emitted by vehicles or machinery that burn fossil fuels. It is one of the six air pollutants controlled by EPA's National Ambient Air Quality Standards (NAAQS).
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Nitrogen Dioxide Designations - Utah State Recommendation and EPA Response
2010 Nitrogen dioxide (NO2) standards. Utah state recommendation and EPA response.
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Nitrogen Dioxide Designations - Georgia State Recommendation and EPA Response
2010 Nitrogen dioxide (NO2) standards. Georgia state recommendation and EPA response.
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Nitrogen Dioxide Designations - Nebraska State Recommendations and EPA Response
2010 Nitrogen dioxide (NO2) standards. Nebraska state recommendation and EPA response.
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Nitrogen Dioxide Designations - Mississippi State Recommendation and EPA Response
2010 Nitrogen dioxide (NO2) standards. Mississippi state recommendation and EPA response.
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Nitrogen Dioxide Designations - Iowa State Recommendations and EPA Response
2010 Nitrogen dioxide (NO2) standards. Iowa state recommendation and EPA response.
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Nitrogen Dioxide Designations - American Samoa (U.S. Territory) State Recommendation and EPA Response
2010 Nitrogen dioxide (NO2) standards. American Samoa (U.S. Territory) state recommendation and EPA response.
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Nitrogen Dioxide Designations - Arizona State Recommendation and EPA Response
2010 Nitrogen dioxide (NO2) standards. Arizona state recommendation and EPA response.
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Nitrogen Dioxide Designations - Northern Mariana Islands (U.S. Territory) State Recommendation and EPA Response
2010 Nitrogen dioxide (NO2) standards. Northern Mariana Islands (U.S. Territory) state recommendation and EPA response.
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Nitrogen Dioxide Designations - Colorado State Recommendation and EPA Response
2010 Nitrogen dioxide (NO2) standards. Colorado state recommendation and EPA response.
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Nitrogen Dioxide Designations - Guam (U.S. Territory) State Recommendation and EPA Response
2010 Nitrogen dioxide (NO2) standards. Guam (U.S. Territory) state recommendation and EPA response.
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Nitrogen Dioxide Designations - Maryland State Recommendation and EPA Response
2010 Nitrogen dioxide (NO2) standards. Maryland state recommendation and EPA response.
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Nitrogen Dioxide Designations - Forest County Potawatomi Community Tribal Recommendation and EPA Response
2010 Nitrogen dioxide (NO2) standards. Forest County Potawatomi Community Tribal recommendation and EPA response.
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Nitrogen Dioxide Designations - New York State Recommendation and EPA Response
2010 Nitrogen dioxide (NO2) standards. New York state recommendation and EPA response.
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Nitrogen Dioxide Designations - Wyoming State Recommendation and EPA Response
2010 Nitrogen dioxide (NO2) standards. Wyoming state recommendation and EPA response.