Classroom Resources

This interactive module explores the environmental factors and species involved in five major mass extinctions.

This interactive module allows students to examine fossils of fish, tetrapods (four-limbed animals), and their transitional forms.

This interactive module explores key events in the record of life on Earth, which stretches over three billion years.

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.

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

This interactive module allows students to explore the science of Earth's deep history, from its formation 4.5 billion years ago to modern times.