Grades 6-8

Evolution

Hands-on Activity, Classroom Activity

Evolution

Natural selection plays a large role in the evolution of a species. The following activity demonstrates this concept.

What Makes a Dinosaur a Dinosaur

Classroom Activity

What Makes a Dinosaur a Dinosaur

Can you walk like a dinosaur? Hint: The movement is not like lizards, crocodiles, and other reptiles; instead, it's more like birds. Investigate what else birds and dinosaurs have in common.

Selecting a Site

Article

Selecting a Site

What should you think about before selecting a site to study? The answer depends on what you want to know. Get tips from working scientists about how to hone in on the perfect site for you.

How to Identify Plants in the Field

Article

How to Identify Plants in the Field

When it comes to identifying plant species, making mistakes is part of the process. That's why this botanist and curator recommends, "Never erase anything!"

Boundaries and Isolation

Classroom Activity, Educator Guide

Boundaries and Isolation

This discussion explores the difference between natural and human-made boundaries and their effect on isolated populations.

The Bighorn Sheep and Their Environment

Lesson Plan

The Bighorn Sheep and Their Environment

Introduce students to the bighorn sheep Science Bulletin video, the scientist who conducted the research, Clinton Epps, and the effect of highways on Las Vegas and the sheep habitat.

Isolated Populations and Inbreeding

Lesson Plan

Isolated Populations and Inbreeding

Discuss how scientists define populations, and the consequences of inbreeding in animal populations like the Florida panther and purebred dogs and horses, and in human populations like the Amish and the Habsburg royal family.

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