Digital History
Digital History: The Space Race
In October 1957, the Soviet Union launched Sputnik 1, the world's first artificial satellite. The 184-pound, 22.5-inch sphere orbited the earth once every 96 minutes. Sputnik transmitted radio signals for 21 days and later burned up in...
Texas Instruments
Texas Instruments: Numb3 Rs: Traveling on Good Circles
Based off of the hit television show NUMB3RS, this high-level math lesson has students delve into the topic of Great Circles on a sphere (specifically, the Earth), in order to find the shortest distances between locations. Students will...
NASA
Nasa: Climate Kids: What Is Happening in the Ocean?
Find out why the oceans on Earth are so vital to the cycling of matter and energy through its spheres.
Other
Lee Trampleasure: Science Education: Coriolis Effect
Examine three examples of the Coriolis Effect with reference to wind. The effect is that when an object is moving perpendicular to the rotation of a sphere the object will appear to travel in a curved line. Prevailing winds will look as...
NOAA
Noaa: Ngdc: Globe Project
Explore some topographic data at the Globe site. What environmental measurements are taken in the study? How are these measurements presented?
Curated OER
Educational Technology Clearinghouse: Clip Art Etc: Nicolaus Copernicus
Nicolaus Copernicus (February 19, 1473 - May 24, 1543) was the first astronomer to formulate a scientifically based heliocentric cosmology that displaced the Earth from the center of the universe. His epochal book, De revolutionibus...
Other popular searches
- Earth Spheres
- Four Spheres of Earth
- Earths Spheres
- Spheres of Earth Activity
- Earth's Spheres
- Spheres of Earth Acidity
- Identify Spheres of Earth
- Earth's 4 Spheres
- Spheres of Earth Acitity
- Earths 4 Spheres