Pbs Learning Media: How Is a Radio Wave Emitted?

Lead your class on a journey to the planet Jupiter and provide them with fun facts in the process. Learners explore radio waves emitted by Jupiter to further understand how this data helps our daily lives. They conclude by discussing...

When light strikes an object it can cause reflection or absorption depending on the wavelength of the light and the property of the material that makes up the object. Watch this whiteboard animation for a full explanation and to find out...

A tour of radio waves in the electromagnetic spectrum. [3:38]

This brief essay from A Science Odyssey Web site describes the difference between FM and AM radio waves.

Scientists study ice sheets because they influence weather and climate, playing a role in atmospheric and ocean circulation. Ice sheets can also have huge impacts on global sea levels because they store so much water. Explore this...

This interactive tutorial illustrates how spectrometry is used to study, identify, and quantify materials.

Everything in our environment is interconnected. A change in one area causes a change in another area. Nowhere is this more evident than in our climate. NASA created a theoretical planet called "Daisy World" to show the complex system of...

In this media-rich essay from the NOVA Web site, astronomer Brent Tully of the University of Hawaii walks you through the latest scientific theories about the size of the universe.

Students explore the effects that ecosystem disruptions can have on animal populations. They learn about the disruptions that have driven three species-the Madagascar fish eagle, the Iberian lynx, and the rowi kiwi, to the brink of...

This video segment adapted from NASA's Goddard Space Flight Center explains how and where hurricanes develop. Learn how El Nino events alter the course of atmospheric circulation. Includes background reading material and discussion...