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Topics/Subjects:
Earth structure  
Materials Cost:
1 cent - $1  
Instructional Strategies:
Computer simulations/models/visualizations  
Learning Time:
1 to 2 hours  
SMD Forum - Primary:
Earth Science  
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Intended for use prior to viewing the Science on a Sphere film "Water Falls," this lesson introduces students to Earth's water cycle and the importance of freshwater resources.

Students will work in teams to create visual models to assist in understanding the volume of surface ozone in the air. Students construct cubes of different volumes and compare them to get a feel for parts per million by volume and parts per billion... (View More)

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