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Topics/Subjects:
Solar system  
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Hands-on learning  
OTHER  
Lecture  
Educational Level:
Middle school  
Learning Time:
1 to 2 hours  
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In this lesson, students will learn how cosmic rays were discovered and what they are - including their size and speed. Includes background information for the teacher, questions, activities and information about student preconceptions. This is... (View More)

Keywords: Cosmic ray
Audience: Middle school
Materials Cost: Free
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