Math: Conic Sections
These sites describe conic sections and have interactive graphs and diagrams. There also several hands-on activities.
教育标准
- 11,
- 12
申请州标准
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FactMonster: Analytic Geometry
Read this encyclopedia article on analytic geometry. NOTE: The site includes pop-up ads.
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FactMonster: Apollonius of Perga
Read about the man who introduced the mathematical terms to describe conic sections. NOTE: The site includes pop-up ads.
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PBS: Galileo's Battle for the Heavens
This site discusses the way in which Galileo described the path of a fired missile, a parabola.
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ThinkQuest: So Why Should I Care?
Read about the four kinds of conic sections. Explanations include diagrams and equations.
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Conic Sections
Study the difference between the four types of conic sections using a table and colored diagrams.
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Mathlet: Conic Sections
Use an interactive graph to change the circle, hyperbola, and parabola. Scroll up and wait for the Java icon to load.
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Conics
Look at the different intersections of a cone.
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The Geometer's Sketchpad
Study the interactive diagram showing the conic section as the locus of the perpendicular bisector.
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PBS: Solar Distillation Challenge
Use the parabolic shape to make distilled water from seawater.
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Mathworld: Conic Section
This site includes links to Kepler, Newton, and mathematical definitions. Read about the explanation for the Braikenridge-Maclaurin Construction, the geometric construction of a conic section.
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PBS: Toothpicks and Transformations
This is a lesson plan in which the student uses quadratics to explore a mathematical pattern. Click on "Download PDF Lesson" to get a printable version.
翻译链接
