The Calendar

The concept of everyone on earth being separated by only six degrees of social connections originated more than 100 years ago. Connect the dots using an installment from an engaging video series that takes a look at various social...

Could a white Christmas in July ever actually happen? PBS's series on space time and measurement presents a video discussing how our ideas about the seasons won't hold true forever! The narrator explains how Earth's gyroscopic behavior...

The first life on Earth developed in the oceans. As an introduction to ecology, the video starts with the formation of the earth. It follows with the Archaean and Proterozoic Eons including protobionts, prokaryotes, and eukaryotes. It...

Take a trip back in time as the history of the earth is uncovered. An interesting video lesson explains the different methods scientists use to learn about the earth's past. While emphasizing teaching strategies, the lesson instructor...

It's commonly known that over 70 percent of of the earth's surface is covered by water, but exactly where did it all come from? Join this short video as it travels back to the beginning of the universe in search of the origins...

Cartoon children compare the earth's age to timescales that we understand:a calendar year, the thickness of a book, the human lifespan. This smart film clip is definitely worth adding to your geologic timescale lesson! If you subscribe...

Take your class up, up, and away with an engaging weather balloon simulation! Individuals get hands-on experience in creating and launching their own airborne labs to study how temperature and pressure affect substances at 100,000...

Earth's thick atmosphere plays a vital role in the ability of the planet to sustain life. Learn about the layers of the atmosphere and their properties, how the gases surrounding the earth help protect the planet, and a little about...

While clouds may not make for the most enjoyable weather, they play an important role when it comes to regulating the temperature of the earth. Watch this video and learn how these giant masses of water droplets actually help to...

Students study the variables that affect the Earth's albedo.  In this environmental data analysis lesson students interpret and graph information and calculate changes.