Winter, spring, summer, and fall—Earth experiences them all! But what about Mars? Scholars compare the planets in terms of distance, tilt, and rotation during a lesson from PBS's Space series. Great visual models of Earth and Mars, plus...

Launch a lesson that's sure to capture middle schoolers' interest! Exploration enthusiasts examine the planets of our solar system using an activity from PBS's Space series. The resource includes images and information for each planet,...

Provides a comprehensive look at the planet Earth including photos, how Earth got its name, and facts and figures about its size, seasons, moon, atmosphere, rotation, and lithosphere.

Prepared by NASA, this site provides a detailed look at the Earth's moon. The menu tabs are divided into overview, photo gallery, and facts and figures.

A free opportunity to allow students and educators to learn and engage using Google Earth. A variety of maps may be selected and multiple layers chosen to display different aspects of each map.

NASA's Earth Observatory offers photographs of dust, smoke, and haze throughout the world. Learn how these pollutants can be hazardous to our Earth.

NASA's Earth Observatory offers photos of drought's effect on crops and vegetation. Images from Africa, India, Australia, and other areas, are accompanied by details on droughts' effects as well as references for further reading.

NASA's Earth Observatory offers photos showing locations of volcanic activity and earthquakes. Click on thumbnails to view large images and read about the causes and effects of these natural hazards.

View a global map from NASA's Earth Observatory that shows net radiation from July 2006 to November 2008. Learn about radiation and the balance between incoming and outgoing energy in the atmosphere.

A narrated journey through the last 800,000 years of the Earth's climate, accompanied by images and graphs. A text-only version is also available. (Published 3 Dec. 2009)

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...

A map program allows users to explore the many features of Earth. Select base maps, features, and velocities.

Compare the seasons on Earth and Mars with NASA imagery. Use this resource to visualize how the axial tilt of a planet influences its seasons and to compare data about seasonal changes on Earth and Mars. Support materials include:...

Watch this visualization comparing the size of Jupiter to the Earth. Jupiter is so immense almost 1,000 Earths fit inside it. Background information and teaching tips are provided.

The paths that water can take through Earth's systems are many and complex. Examine the following diagram from NASA depicting the water cycle. Studying the water cycle is important because changes in the water cycle affect all parts of...

See how all of Earth's water compares to the total size of the Earth.

These satellite images of Earth shows some astonishing things about our planet and our relationship with it.

Follow this GeoStory to learn about Earth's extremes, from highest and lowest, to hottest and coldest.

Topics covered in this slideshow include the Earth's interior, seismic S- and P-waves, the crust and mantle, phase boundaries encountered by seismic waves, the Earth's internal heat, gravity and density, gravitational anomalies, the...

From NASA, "Images, visualizations, and animations," that students will find extremely interesting and helpful in their study of the earth. Includes pictures of environmental impacts, erosion, coastal processes, atmosphere, and lots more.

View a map of the Earth showing the day and night regions at this moment, or from the sun, the noon, the night side, and other points of view in this simulation. Illustrated.

This interactive map program illustrates global-scale geodynamic processes of Earth. View and add base maps, features and velocities which can be selected in the drop down menus.

This 2-part resource details how the Earth absorbs just enough energy from the Sun to sustain life. Content explores incoming solar radiation and outgoing terrestrial radiation.