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National Academy of Sciences: Walter Elsasser

For Students 9th - 10th
A complete biography of Elsasser's life and contributions to both biological science and earth science. Page also contains a photo of Elsasser. Site includes biographies of other famous scientists as well.
Handout
Science Struck

Science Struck: The Structure of an Atom: A Labeled Diagram

For Students 9th - 10th
Looks at the scientists who developed the model of the atom by building on previous scientists' discoveries about its structure.
Article
Open Curriculum

Open Curriculum: The Atom

For Students 9th - 10th
Learn about atoms and their properties of motion with this illustrated article.