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Mystery Shapes
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In this activity, learners describe an object they can’t see. After someone picks outs a few mystery objects and places them in a pillowcase, learners will investigate using only their hands.

Exploring the Nanoworld with LEGO Bricks: Probing the Structure of Materials at the Nanoscale
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In this activity (pages 17-31), learners are introduced to techniques that are used to determine the structures of solid materials.

Giant Chromosomes: Fruit Fly DNA and You
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Many of the genetic sequences found in the fruit fly genome are similar to those found in humans.