Grades 9-12

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.

Ecology Disrupted

Lesson Plan

Ecology Disrupted

Use Science Bulletins videos to explore other examples of disrupted habitats and populations. See how daily life affects wood turtles, seabirds, monarch butterflies, the Gulf of Mexico, Florida panthers, and badgers.

Ecology Disrupted

Lesson Plan

Ecology Disrupted

Use Science Bulletins media to explore other examples of disrupted abiotic and biotic factors. 

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.

Climate Change Circles of Consequences

Classroom Activity

Climate Change Circles 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.

Focal Point

Activity

Focal Point

What is a telescope's focal point, and why is knowing its location so important to astronomers? Grab a flashlight, an empty soda bottle, and a few other supplies; then find out.

Digital Images: The Universe Exposed

Article

Digital Images: The Universe Exposed

For most of human history, recording a star meant describing it with words or drawing a picture. The 19th-century invention of photography changed that—only to be revolutionized by digital imaging.

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