Texas Instruments
Texas Instruments: Simple Constructions
In this skill activity, students can use the Constructions Tools Menu in Cabri Jr. to contruct a parallelogram. They will also construct an altitude, an angle bisector and a median of a triangle.
Ministry of Education and Universities of the Region of Murcia (Spain)
Ministerio De Educacion Y Ciencia: Rectas Notables De Un Triangulo
In Spanish. Interactive activities dealing with the concept of angle bisector, median and altitude of a triangle. A description of the circumcenter and centroid are given along with a visual representation. [Requires Java.]
Ministry of Education and Universities of the Region of Murcia (Spain)
Ministerio De Educacion Y Ciencia: Actividades Con Las Rectas De Un Triangulo
You will find an interactive activity to review the following concepts: altitude, median, angle bisector and points of concurrency in triangles. Five different interactive quizzes are also provided to test your knowledge.
Texas Instruments
Texas Instruments: Exploring the Orthocenter of a Triangle
In this activity, students use the Cabri Jr. tools to draw altitudes in a triangle. They construct a line perpendicular to a given line and through a given point. [Requires Adobe Reader.]
Ministry of Education and Universities of the Region of Murcia (Spain)
Ministerio De Educacion Y Ciencia: Triangulos
In Spanish. This interactive activity shows how to compute the area of a triangle and the concept of altitude, median and angle bisector. [Requires Java.]
Math Open Reference
Math Open Reference: Parallelogram: (Coordinate Geometry)
Students are able to manipulate a parallelogram on a coordinate grid to explore properties of a parallelogram and then calculate the distance of the sides, altitude, and area. The resource also includes links to further explain important...
Other
Usc: Climate Controls
An effective presentation of six main climate controls: latitude, land vs. water, geographic position, altitude, currents, pressure and winds.
CK-12 Foundation
Ck 12: Geometry: Inscribed Similar Triangles
[Free Registration/Login may be required to access all resource tools.] Apply the fact that the altitude of a right triangle creates similar triangles.
Other
Gobierno De Navarra: Puntos Y Rectas Notables De Un Triangle
Learn how to construct the bisectors, median and altitude of a triangle.
Homeschool Math
Homeschool Math: Area of Triangles
This lesson presents the idea that the area of any triangle is exactly half of a certain parallelogram -- thus we get the familiar formula of multiplying the base and the altitude and taking half of that. The lesson contains varied...
Other
Lois Terms: Base of a Polygon
This site gives an explanation of what the base of a polygon is. The base of a polygon when given the location of the altitude is also discussed.
PBS
Pbs Teachers: Scientific American: Going to Extremes: High Anxiety
Investigate the illness known as acute mountain sickness, and describe what happens to the human body when it climbs too high altitudes too rapidly for the body to adjust. Describe ways to avoid altitude sickness.
PBS
Pbs Teachers: Deadly Ascent: Body Breakdowns
Explore the injuries mountain climbers can sustain when they reach high altitudes, and discover how extreme cold can damage the human body.
ClassFlow
Class Flow: Triangle Segments
[Free Registration/Login Required] In this flipchart, students use the interactive features of Activstudio to understand how to use the properties of perpendicular bisectors, angle bisectors, medians and altitudes of a triangle.
Curated OER
Click Here to See an Altitude Map
This site from the Virtual Sun gives a detailed account of the geographical region once inhabited by the Maya People. It describes the landscape, climate, and altitude.
Science Buddies
Science Buddies: Using Weather Balloon Data to Map Atmospheric Temperature
Snow-capped mountains make a picturesque scene, especially in summertime when the peaks are in such contrast to the warmth below. This project shows you a way to see how temperature changes with altitude using data collected twice daily...
Vision Learning
Visionlearning: Atmosphere and Oceans: Composition of Earth's Atmosphere
An explanation of the different parts of the atmosphere and how pressure and temperature changes at different altitudes.
TeachEngineering
Teach Engineering: The North (Wall) Star
Celestial navigation is the art and science of finding one's geographic position by means of astronomical observations, particularly by measuring altitudes of celestial objects - sun, moon, planets or stars. This activity starts with a...
NASA
Nasa: Droplets: Kiwi Kids Cloud Identification Guide [Pdf]
Learn all about the different kinds of clouds in our atmosphere, how each forms, and specific details of each. Colored photos and an altitude cloud chart are included. PDF (requires Adobe Reader).
NASA
Nasa Earth Observatory: Global Maps: Cloud Fraction
View a global map showing cloud fraction from January 2005 to November 2008. Learn how clouds have a warming and cooling influence depending on altitude.
Science Buddies
Science Buddies: How Do Baseball Stadium Dimensions Affect Batting Statistics?
Here's a fun project that combines baseball and math. Major League baseball is played in ballparks that have their own individual quirks when it comes to the exact layout of the field. Fenway Park in Boston has the famous "Green Monster"...
PBS
Pbs Learning Media: Everest: Test Your Brain Under Low Oxygen Conditions
This interactive feature from the NOVA: "Everest" Web site lets you take the same brain quizzes that researchers have used to test the brain function of climbers on Mount Everest.
Other
Backpacking Safety Tips
Backpacking safety advice is provided. Discusses recommended procedures for particular illnesses and safety tips regarding camp sites,clothing and cooking.
Centers for Disease Control and Prevention
Centers for Disease Control: Travelers' Health: Disease Directory
The Centers for Disease Control and Prevention provides information on over 40 diseases that travelers might need to be prepared for. Information includes description of disease, risk for travelers, preventive measures and treatment.
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