This informational text explores how and why igloos are built and how ice can act as an insulator. It asks if igloo building will end with climate change. It is written at a reading level appropriate for Kindergarten through first grade. It is a full-color pdf file that can be printed, cut, and folded to form a 2 1/8" by 2 3/4" book. It contains color photographs and illustrations.

This narrated animation from Interactive NOVA: "The Secret of Life" illustrates DNA replication.

This video segment adapted from NOVA describes the emergence of life on the islands of Hawaii from a barren volcanic platform under the ocean waves to the rich explosion of life that covers the many climate zones of the islands today.

In this video segment adapted from NOVA, dramatic footage of avalanches and animations of ice crystals illustrate how a layer of weakly-bonded snow can contribute to a devastating avalanche.

In this video segment adapted from NOVA, scientists use computer simulations to explore the question of how supercell thunderstorms produce tornadoes.

This video segment adapted from FETCH! shows contestants experimenting with different materials to see which is the best insulator and thus best able to keep the lemonade at their stand cool for customers.

Aaron and Justin investigate which sunscreen best keeps out harmful ultraviolet rays from the Sun, in this video from DragonflyTV.

This illustrated essay from A Science Odyssey Web site explains the science behind radio waves, including the role of electrons and electromagnetic fields.

In this video segment adapted from Shedding Light on Science, observe demonstrations of the fundamental idea that light travels in straight lines.

This video segment adapted from KET's Where the River Bends demonstrates how climate change and glacier movement during the Ice Ages destroyed the old Teays River and created the Ohio River, Kentucky's northern border.

In this fast-paced NASA Brain BitesŒ_íěÖ video, an astronaut demonstrates the impact of microgravity on the use of tools in space.

Chris explores Arches National Park to explain how erosion and weathering work together to shape the Earth's surface.

Chris visits Virgin Islands National Park to learn how subduction zones create island arcs like those found in the Caribbean.

Saguaro National Park receives about 10 inches of rain a year, but has some of the highest biodiversity in North American. Learn how plants and animals are adapted to a hot and dry environment.

The Great Smoky Mountains is home to over 21,000 species - but where do they call get their energy? Chris learns about food webs and trophic levels with special guest, conservation biologist and host of the Rewildology podcast, Brooke Mitchell.

Chris learns how convection currents in the air create ocean currents and marine geoscientist Angelique Rosa Marin drops by to help explain why those currents move in a circle due to the Coriolis Effect.

Acadia National Park is known the world over for it's beautiful pink granite - but how did it get there? Learn how the rock cycle creates and transforms igneous, sedimentary, and metamorphic rocks.

In this video segment adapted from NOVA, follow novice runners as they train for a marathon, and discover how quickly the body responds to regular aerobic exercise.

In this video segment adapted from NOVA, explore the theory that small bits of gas and dust combined to form protoplanets billions of years ago, which in turn collided to create the four rocky planets of the inner solar system.

Learn how the Hawaiian Islands were formed by a geothermal hotspot and resulting volcanic activity in this video segment from Nature.