Chapter 19 Heart of Algebra focuses on the mastery of linear equations, systems of linear equations, and linear functions. The ability to analyze and create linear equations, inequalities, and functions is essential for success in...

Brief discussion about Ptolemy's geography. Includes pictures of publications from ancient Greece based on Ptolemy's beliefs.

This site explain ellipse how they are formed with the foci, and gives a nice moving demonstration of drawing an ellipse. Read further down the page to equations of ellipses in different systems, including polar. The last half of the...

Site of the LIRA-Lab in University of Genoa, Italy which specializes in artificial vision and sensory-motor coordination from a computational neuroscience perspective.

This national organization is responsible for coordinating work efforts to prevent crisis situations (volcanic eruptions or flooding, for example), and responding to these emergencies when they arise. Their Web site contains links to...

Use this interactive white board activity to explore coordinate planes and graphing ordered pairs.

Students complete activities using GeoGebra to explore geometry concepts such as the coordinates of points.

This page provides practice questions on each of the conceptual content sections in AP Physics: Chapter 2: Kinematics.

Dozens of statistical terms are defined and illustrated in this glossary.

[Free Registration/Login Required] In this Flipchart, students are introduced to linear equations, substitutions, and graphing linear equations on a coordinate grid system.

Contains a graphical representation of the z-axis in a 3D cartesian coordinate plane and expresses it's normal orientation. Site has related links.

This is a very brief site giving the name physicists use when referring to this axis, and its general orientation in the Cartesian system.

A conversation with the coordinator for Gulf Coast recovery. He discusses what the federal government is doing to rebuild the levee system of New Orleans. Video, audio and a transcript are available for this report from December, 2005.

This lesson demonstrates graphing two lines on a coordinate plane and determining the point where two lines intersect. It is 2 of 5 in the series titled "Finding Intersections."

This lesson demonstrates graphing two lines on a coordinate plane and determining the point where two lines intersect. It is 3 of 5 in the series titled "Finding Intersections."

This lesson demonstrates graphing two lines on a coordinate plane and determining the point where two lines intersect. It is 5 of 5 in the series titled "Finding Intersections."

[Free Registration/Login Required] In this lesson, students will learn step by step how to graph coordinates on a coordinate plane.

[Free Registration/Login may be required to access all resource tools.] Solve and graph linear inequalities in two variables on the coordinate plane.

A collection of animal pictures with grid overlays for drawing practice. Students copy an image by drawing the contents of each square of the grid into a matching square on a second blank grid next to the picture. Each activity can be...

Students learn about the human body's system components, specifically its sensory systems, nervous system and brain, while comparing them to robot system components, such as sensors and computers. The unit's life sciences-to-engineering...

This Career Clip features Kerry Demeritt, a Physician Extender at Coordinated Health Systems. She spends most of her day doing casting. The best career advice she received was to try different things and especially use the activities and...

U.S. foreign trade and global economic policies have changed direction dramatically during the more than two centuries that the United States has been a country. In the early days of the nation's history, government and business mostly...

Questions related to the functions of the endocrine systems and ways in which hormones coordinate the organ systems.

This Java applet allows the user to name any two points in a Cartesian system, see the segment on the screen and view how the distance between the two points is found.