1 - 12 of 162 results

Why Can Some Digest Dairy and Others Cannot?

In this activity, students investigate the phenomenon of lactase persistence by making sense of a series of data sets.

Biochemistry & Molecular Biology
Genetics
Evolution
Lessons
High School — General
High School — AP/IB
College

How Do Some Cells Affect Mouse Color?

In this phenomenon-driven activity, students investigate how cells are signaled to make melanin and explain how mutations in melanin pathway proteins affect the coat color of various organisms.

Cell Biology
Genetics
Lessons
High School — General
High School — AP/IB
College

Designing Solutions to Preserve Biodiversity

In this collaborative activity, students explore major biodiversity threats and design, present, and refine solutions for preserving biodiversity.

Environmental Science
Science Practices
Lessons
High School — General
High School — AP/IB
Image of women walking with pots of coffee seedlings.

Coffee for Water

Release Date
Duration 00:27:51

Deforestation on Mozambique’s Mount Gorongosa threatens the watershed of Gorongosa National Park. Park experts and local farmers are planting coffee to restore the forest.

Analyzing Pedigrees

In this activity, students interpret several pedigrees of autosomal dominant and recessive conditions and consider the benefits and limitations of genetic testing.

Science Practices
Genetics
Lessons
High School — AP/IB
College
Image of a fish jumping out of water.

The Beautiful Undammed

Release Date
Duration 00:27:51

After a dam removal on Washington’s Elwha River, scientists are chronicling a story of ecological rebirth. Recovering salmon populations are transferring critical nutrients from the ocean into the forests, enriching the entire ecosystem.

Image of a woodpecker on a tree.

Woodpecker Wars

Release Date
Duration 00:27:59

Scientists, soldiers, and landowners collaborate to save the endangered red-cockaded woodpecker at a North Carolina army base.

Image of a beaver swimming.

Beaver Fever

Release Date
Duration 00:27:48

The return of beavers to the British countryside is boosting biodiversity, reducing storm-induced flooding, and restoring wilderness to an over- manicured landscape.

The Impact of Wildfires

In this activity, wildfires and how much area they burn serve as a phenomenon to guide student inquiry, which includes evaluating data and developing scientific claims.

Environmental Science
Science Practices
Lessons
High School — General
High School — AP/IB

Energy Flow through Ecosystems

This Click & Learn traces the flow of energy from the Sun all the way to cells within organisms. The embedded questions and calculations guide students’ understanding of how energy is distributed through a variety of ecosystems.

Ecology
Science Practices
Click & Learn
High School — General
High School — AP/IB