1 - 9 of 9 results

The Breathing Biosphere and Human Contribution

In this Click & Learn, students explore factors that contribute to patterns seen in the Keeling Curve: a continuous record of atmospheric CO2 starting in 1958.

Earth Science
Environmental Science
Science Practices
Click & Learn
High School — General
High School — AP/IB
College

Why Two Heads?

This activity explores images of planarians regenerating missing body parts, which serve as phenomena for learning about cell division and differentiation.

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

Trends in Atmospheric Carbon Dioxide

This activity analyzes a figure showing the atmospheric carbon dioxide concentration from 1958 to 2023.

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

Earth Systems Activity

This activity guides students through building a conceptual model of how carbon dioxide affects Earth’s climate.

Environmental Science
Earth Science
Lessons
High School — General
High School — AP/IB
College

Paleoclimate: A History of Change

This interactive module examines Earth’s past and present climate, highlighting the effects of two important factors: solar radiation and the composition of the atmosphere.

Environmental Science
Earth Science
Click & Learn
High School — General
High School — AP/IB
College

Geological History of Oxygen

This interactive module explores how the changes in oxygen levels throughout Earth’s history have impacted the planet’s environment and types of life.

Earth Science
Click & Learn
High School — General
High School — AP/IB
College

Investigating Planarian Behavior and Regeneration

This activity allows students to observe their own planarian and then design an experiment to investigate how planarians regenerate. It supports viewing of the video Identifying Key Genes in Regeneration.

Cell Biology
Anatomy & Physiology
Science Practices
Labs & Demos
High School — AP/IB
College

Tissue Regeneration in Animals

This tutorial describes how animals differ in their abilities to heal wounds and regenerate lost body parts or damaged tissues.

Cell Biology
Anatomy & Physiology
Click & Learn
High School — AP/IB
College

Stem-Cell-Based Therapies

This tutorial explores how stem cells can be used to treat a wide range of diseases.

Cell Biology
Click & Learn
High School — AP/IB
College