Calculate the speed of the International Space Station. By reading the article, pupils learn about the concept of orbits. Scholars work through a formula to determine how fast the International Space Station is traveling to stay in...

Hear from deep space. Pupils learn how satellites transfer information back to Earth. They learn about three different ways to modulate radio waves and how a satellite sends information with only 0s and 1s. Using sound, class members...

Break down light into spectra. Scholars learn how atoms emit and absorb photons and come to understand how this process allows scientists to identify different atoms based on either absorption lines or emission lines. Learners then...

Discover the ways in which the Earth's surface is always changing and what causes those changes through reference materials and a collection of activities.

Earth's temperature depends on the balance between energy entering and leaving the planet's system . When incoming energy from the sun is absorbed by the Earth system, Earth warms. When the sun's energy is reflected back into space,...

Article reports on a presentation that suggests that the Earth is surrounded by dark matter.

Article explaining the history of our scientific understanding of volcanic activity, ending with questions for students about scientific methods and historical contexts.

Article reports on recent mission by a private space company to beam messages to Mars from Earth. Includes video.

From ABC News in Science, Irene Klotz's article discusses the first storm in the history of the solar system (with the exclusion of storms on Earth) to develop a hurricane-like eye.