Grades 6-8

Arthropod Morphology

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Arthropod Morphology

From metamorphosis and types of antennae to the parts of a spider and a grasshopper, take an illustrated look at arthropod morphology with this collection of guides.

The Worst Journey in the World

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The Worst Journey in the World

Why in the world would anyone spend five weeks trekking into the dark Antarctic winter to bring back a few penguin eggs? Find out, and learn just how harsh the journey was for this three-person team.

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