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We have annotated several hundred teaching resources cataloged in the National Science Digital Library with spatial concept terms listed below. We have also created a new TeachSpatial collection annotated in the same way. The concept terms were drawn from the U.S.National Science Education Standards (NSES 1996) for topic areas B - Physical Science, C - Life Science, D - Earth and Space Science, as well as from the 1994 U.S. Geography Teaching Standards for grades 9-12. Those standards can be browsed here.

spatial concept terms

NSDL teaching resources related to "split"

In this classroom activity, learners construct a wobbly model of a crystal array to investigate the attractive interaction between neighboring atoms in a solid. By using this less traditional model, students explore chemical bonds as analogous to a stretched or compressed spring. Gently shaking the model shows how stored energy can be communicated to the next layer of atoms. Vigorous shaking causes the model to break apart, representing the breaking of chemical bonds.

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Practical Physics: A Model of Vibrating Atoms in a Solid

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Activity
Instructional Material
Model
Numerical Model
Tool