CK-12 Foundation
Ck 12 Exploration Series: Simulations: Physics: Clarke's Dream
[Free Registration/Login Required] Learn about geosynchronous orbits and their use in satellite communication.
NASA
Nasa: Kepler's Second Law
This site from NASA states Kepler's second law of planetary motion and depicts its meaning with an informative diagram. Relates the law to conservation of energy principles and discusses the eccentricity of a satellite's (or a planet's)...
CK-12 Foundation
Ck 12: Electron Arrangement in Atoms
[Free Registration/Login may be required to access all resource tools.] In the following online tutorail students will learn how to express the arrangement of electrons in atoms through electron configurations and Lewis valence electron...
Physics Aviary
Physics Aviary: Practice Problems: Finding Speed of a Satellite
Students must determine speed of a satellite by timing the satellite for part of its orbit. Students must also determine the period of the orbit based on their timing.
Science Education Resource Center at Carleton College
Serc: Geo Logic: Terrestrial and Jovian Planets
Through GEOLogic puzzles, young scholars are given clues about properties about the terrestrial and Jovian planets respectively, and challenged to match the planet with the correct equatorial radius, mean orbital velocity, and period of...
NASA
Nasa Space Science Data Archive: Mars 2007 and Beyond
Check this resource for NASA's present, past, and future Mars' missions. Launch periods, descriptions of the mission, and related press releases are provided for each mission.
Khan Academy
Khan Academy: Practice Writing Electron Configurations
Choose the element that matches the electron configuration.
University of Maryland
University of Maryland: The Astronomy Workshop
Find tools to calculate astronomical distances and sizes, to view various Solar System models, to compare gravity's affect on weight, and more. A good place to find interesting facts, simple animations, and astronomy links to physics and...
Physics Classroom
The Physics Classroom: Circular and Satellite Motion: Satellite Motion Math
In this interactive physics tutorial, students explore the variety of mathematical equations that describe the motion of satellites.
Nine Planets
The Nine Planets: Comets
A detailed description of comets, their distinct parts, and the known comets in our solar system. Links are also provided for additional information on related subjects.
Enchanted Learning
Enchanted Learning: All About Space: Mercury
The planet Mercury is profiled with information about its size, mass, atmosphere, length of day, and the like. Features include interactive activities and learning exercises.
Other
University of Leicester: Comets
A detailed look at comets. Content outlines our observational history, as well as the origins of comets and an explanation of the appearance of comets.
Other
Bad Astronomy/phil Plait: Tides and Why Our Days Are Getting Longer
Why does the Moon always shows the same face to the Earth? Why is the Moon's rotation period the same as the length of time it takes to orbit the Earth? Why are there two tides a day? These questions and more are answered here.
Other
Astro Methods: Earth's Nutation Visualized
Nutation is a small cyclical motion superimposed upon the steady 26,000-year precession of the Earth's axis of rotation. It is mainly caused by the gravitational effect of the 18.6-year rotation period of the Moon's orbit. The main...