Grades 6-8

Plant Inventory

Article

Plant Inventory

With an entire habitat in front of them, how do scientists actually inventory the entire site? Find out their tricks of the trade; then apply the principles to your own small site.

Arthropod Morphology : Metamorphosis

Diagram

Arthropod Morphology : Metamorphosis

Chances are you know that butterflies and moths go through a metamorphosis. But did you know that the same is true for silverfish? Learn more about the two types of arthropod metamorphosis.

Coming to Life (SuperScience)

Article

Coming to Life (SuperScience)

What does it take to create realistic exhibits like the ones featured in Night at the Museum? Meet the exhibition project manager who's in change of the Museum's dioramas.

Twig Twins

Activity

Twig Twins

A twig is just a twig—or is it? You can identify a plant, tree, or shrub just by closely observing one small part of it. After this activity, you'll never again dismiss a twig.

Describing Oak Leaves

Classroom Activity

Describing Oak Leaves

Test your classification skills with this leafy challenge. Examine drawings of 12 oak leaves, and see if you can determine the common and scientific name for each one of the dozen.

Name That Critter

Classroom Activity

Name That Critter

Can you name the mystery arthropod named for its hundred-some legs? More important, do you know what physical and behavioral characteristics it shares with a shrimp or honeybee?

Warming Signs (Science World)

Article

Warming Signs (Science World)

Earth's climate is changing, and according to scientists today's kids will bear the brunt of the potentially damaging affects of a warmer world. Find out how scientists are preparing now for the potential negative consequences.

Climate Change Circle of Consequences

Activity

Climate Change Circle of Consequences

"Greenhouse effect" and "global warming" are becoming household phrases but how, exactly, are they linked? Explore the interconnections and consequences of climate change.

Be a Trackway Detective

Classroom Activity

Be a Trackway Detective

What can you tell from looking at a fossil record of dinosaur footprints? Everything from which dinosaur was there first to what they might have feasted on.

Mapping the Classoom

Classroom Activity

Mapping the Classoom

What's the size of your desk in relation to your teacher's? Or to the chalkboard at the front of the room? Hone your mapping skills with this classroom activity.

Isolation and Mate Choice

Educator Guide

Isolation and Mate Choice

This discussion explores how artificial boundaries can decrease mate choice, with a specific example of highways limiting mate choice for bighorn sheep.

Chesapeake Bay Before

Lesson Plan, Educator Guide

Chesapeake Bay Before

This worksheet prepares students to compare this historic food web of the Chesapeake Bay to the food web of the present day.

Horse Power (Science World)

Article

Horse Power (Science World)

Some scientists believe the fate of humankind was changed when humans first began to tame the wild horse. Learn more about how horses have shaped our world.

Bigger Than You Think

Curriculum Materials

Bigger Than You Think

Not all dinosaurs were enormous like the 84-foot-long, 30-ton Apatosaurus. TheCompsognathus, for example, approximated an eight-pound chicken. Size up two others.

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