Nepal lies between China and India in South Asia. The country is slightly larger than the state of Arkansas. Nepal has the greatest altitude change of any location on Earth. The lowlands are at sea level and the mountains of the...

How does our climate affect us? How do we decide what to wear each day? What factors determine if our clothing choices are comfortable? What is the source of our water? Students explore characteristics that define climatic regions. They...

Examine the features of Concorde that were designed and engineered for high-altitude, supersonic flight by exploring this detailed, interactive cross section.

This is basic cloud chart illustrating shape and relative altitude of ten key cloud types. Scroll down to the bottom for the list of cloud types by name.

This activity uses Cabri Jr. to assess the students' knowledge of various segments related to triangles: perpendicular bisector, median, angle bisector, midsegment, and altitude.

Students learn about exponential functions, logarithmic functions, and applications of exponential functions. The tutorial includes class notes, calculator tips, examples, and practice problems with solutions. The teacher resource...

The wind blowing over your house, the Gulf Stream flowing into the North Atlantic Ocean from Florida to Europe, the jet stream at 10 km altitude. All these different flows in the atmosphere and in the ocean can be understood using ideas...

Students must calculate the altitude of a satellite that is in a geosynchronous satellite going around the planet.

In the July 2013 issue of United Airlines' Hemisphere Magazine, a pilot responded to a question about how far in the distance he could see at different altitudes. The solution involved right triangles, lines of tangency to a circle, and...

[Free Registration/Login Required] Travel around the world to different locations and explore the relationship between altitude, vapor pressure, and boiling point.

Mount Everest has the highest altitude on the planet but how did it get so tall? Educator Michele Koppes looks deep into our planet's crust, where continental plates collide, to find the answer.

What are integers? This lesson has students connecting integers with altitude, temperature, and football. These lessons will help students understand integers in multiple contexts. Lesson page includes documents and a video to help...

Sort photos of clouds by altitude, by composition, and into groups based on whether they are smooth or turbulent.

How was Mount Everest formed and how was it first conquered by man? What challenges are faced by a climber? Learn all about Mount Everest here.

Use this site to learn about basic gas properties including motion, viscosity, and compressibility. Includes links to activities for all ages.

Though we live on the surface of the Earth, we actually live at the bottom of an ocean of air. Dynamic layers of air interact with the Earth's surface and the Sun's energy to produce the phenomenon of weather. The atmosphere is...

Learn all about the point of concurrency. This lesson targets the point of concurrency of perpendicular bisectors, the point of concurrency of the angle bisectors of a triangle, and has interesting solved examples and practice questions.

This page from the National Institute of Neurological Disorders and Stroke website has information on Anoxia and Hypoxia, including definitions, treatment, prognosis, research, and references.

NASA's Glenn Research Center reports on its innovative engines program, namely ion propulsion, a technology that once only powered imaginary spacecraft in science fiction novels. It is now a reality.

Explore the beautiful city of Quito, nestled in a valley at the base of the Pichincha Volcano. Offers good descriptions, tourist-oriented information and links to attractions and hotels.

Practice using your graphing calculator for measuring and constructing polygons and other plane figures. If you get stumped or if you would like to check your work, then select the View Solution button, which is located directly under...

This site from InterMath gives a description of the orthocenter of a triangle along with a visual representation. Be sure to follow the links to related terms, everyday examples, challenging problems, more information, and the...

Explains how to read a barometer and interpret its meaning, as well as how the barometer was invented.

Learn about the orthocenter of a triangle with this handy reference guide. Provides a detailed definition, examples, and an interactive activity that enhances further explanation. Includes links to related topics.