1 - 12 of 57 results

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

Activity for Out of the Ashes

This activity explores the concepts and research presented in the short film Out of the Ashes: Dawn of the Age of Mammals, which explores how life on Earth recovered after a major asteroid impact.

Evolution
Earth Science
Film Activities
High School — General
High School — AP/IB
College

Stickleback Spines

This activity explores images of stickleback fish, some with spines and some without spines, which serve as phenomena for learning about gene regulation and natural selection.

Genetics
Evolution
Phenomenal Images
High School — General
High School — AP/IB
College

Laetoli Footprints

This activity explores an image of fossil footprints at Laetoli, which serves as a phenomenon for learning about fossil evidence and human evolution.

Evolution
Phenomenal Images
High School — General
High School — AP/IB

Out of the Ashes: Dawn of the Age of Mammals

This film explores how life recovered after an asteroid wiped out the dinosaurs and how those events shaped the diversity of plants and mammals on Earth today.

Evolution
Earth Science
Short Films
High School — General
High School — AP/IB
College

Red Tattoo

This activity explores an image of tattoo ink particles inside cells, which serves as a phenomenon for learning about the structure and color of human skin.

Cell Biology
Anatomy & Physiology
Phenomenal Images
High School — General
High School — AP/IB
College

Cystic Fibrosis Mechanism and Treatment

This animation shows how mutations in an ion channel protein lead to the genetic disease cystic fibrosis. The animation also discusses how research on this protein has been used to develop treatments for the disease.

Biochemistry & Molecular Biology
Genetics
Cell Biology
Animations
High School — General
High School — AP/IB
College

New Laetoli Footprints and Hominin Body Size

This activity guides the analysis of a published scientific figure from a study that used footprints formed millions of years ago to estimate the heights of early human ancestors.

Evolution
Science Practices
Data Points
High School — General
High School — AP/IB
College

Root Movement

This activity explores images of plant cells and structures, which serve as phenomena for learning about how plants respond to stimuli.

Cell Biology
Anatomy & Physiology
Phenomenal Images
High School — General
High School — AP/IB

Dating Corn Domestication Using Carbon Isotopes

This activity guides the analysis of a published scientific figure from a study on prehistoric human food sources. In this study, scientists used carbon isotopes to determine how the advent of agriculture affected human diets.

Anatomy & Physiology
Evolution
Science Practices
Data Points
High School — General
High School — AP/IB
College

Thermoregulation in Dinosaurs

This activity guides the analysis of a published scientific figure from a study that explored how dinosaurs may have regulated their body temperatures.

Anatomy & Physiology
Evolution
Science Practices
Data Points
High School — General
High School — AP/IB
College

Written in Chalk

This activity explores images of chalk formations and coccolithophores, which serve as phenomena for learning about the interactions between biological and geological processes.

Microbiology
Earth Science
Phenomenal Images
High School — General
High School — AP/IB