Observe fast and slow events that change the face of Earth's surface with this slideshow. Students will use evidence from videos and images to describe how changes on Earth's surface can happen quickly or slowly. Students will have the...

Observe how wind and water reshape the face of Earth's surface with these slideshows. Students will use evidence from videos and images to observe and describe how wind and water contribute to natural events that are constantly reshaping...

Maps in different categories such as fishing, climate change, and pollution were pulled together into a composite map that shows the impact of humans on the world's oceans. Analysis at the time (2008) showed that 40% of the world's...

Observe a juvenile red-tailed hawk as it molts into its new adult feathers.

Observe a juvenile red-tailed hawk as it molts into its new adult feathers.

Observe a juvenile red-tailed hawk as it molts into its new adult feathers.

Observe a juvenile red-tailed hawk as it molts into its new adult feathers.

This simulation allows students to make observations about how particle motion changes as the overall temperature of a liquid changes.

The Understanding Evolution site provides evidence for evolution in biogeography utilizing relative dating, geography, and plate tectonics.

A facsimile of an early map of New England as observed by Captain John Smith in 1616. The map covers the coastline from Cape James (Cape Cod) and Stuards Bay (Cape Cod Bay) north to Pembrocks Bay, and includes the inscription "The most...

This animated map shows world population growth from the year 1 to 2020 A.D. Note the changing years as you observe the growth on a map of the world.