ERIC Number: ED156450
Record Type: RIE
Publication Date: 1978
Reference Count: N/A
Dancing Curves: A Dynamic Demonstration of Geometric Principles.
Lyng, Merwin J.
Detailed instructions are given on how to construct a string model useful in demonstrations to illustrate conic sections - ellipses, parabolas, and hyperbolas - as well as lines, curves, and surfaces. Directions for making slides are also given - the slides being used to project light beams onto the reflective string of the model to create different images in space. A suggested procedure for using the string model and slides is included. (MN)
Descriptors: Demonstrations (Educational), Geometric Concepts, Higher Education, Instructional Materials, Mathematics Education, Optics, Secondary Education, Visual Aids
National Council of Teachers of Mathematics, 1906 Association Drive, Reston, Virginia 22091 ($4.44 nonmembers, $4.00 members; Discounts on quantity orders; All orders totaling $20.00 or less must be accompanied by payment; $1.00 service charge on all orders totaling less than $5.00)
Publication Type: Guides - General
Education Level: N/A
Authoring Institution: National Council of Teachers of Mathematics, Inc., Reston, VA.
Identifiers: Conics; Geometric Constructions; String Models