Curated OER
Ellipses and Kepler's First Law
The class examines graphs in the form r = F(¿¿) in polar coordinates (r, ¿¿), in particular with the circle, ellipse and other conic sections. They determine the nature of an ellipse by studying the role of the semimajor axis and...
Curated OER
Graphs And Ellipses
Students become acquainted with linear graphs, the parabola and the rectangular hyperbola. Also prepare tables of paired values as preparation for plotting a line. They study the cartesian equation of an ellipse, with a worked example.
Curated OER
Liquid Pressure
Fifth graders create a Cartesian Diver model made from plastic soap bottle and medicine dropper. In this incompressible liquid lesson, 5th graders experiment with jugs of water to demonstrate Pascal's Law, Boyle's Law and...
Curated OER
Ecology - Biodiversity Lab
Studnents examine the degree of biodiversity that exists in one's everyday environment, in order to develop an understanding of how scientists classify organisms and to explain why biodiversity is important for living things.
Curated OER
Gridding a Site
Students establish a grid system over an archaelogical site. They label each grid unit. They determine the location of artifacts within each grid unit. They construct a scientific inquiry concerning the location of artifacts on the site.
CK-12 Foundation
Ck 12: Analysis: Polar Coordinates
[Free Registration/Login may be required to access all resource tools.] Definition of polar coordinates, plotting points on a polar coordinate graph