This lesson and assessment introduce students to ellipses, their properties, and the connections to planetary motion.

This lesson introduces students to some of the properties of ellipses through investigations. Students will also review Kepler's Laws of Planetary Motion and learn about Earth's eccentricity.
Curriki Rating3

Ellipses Assessment

by Meredith Beaton
This assessment asks students to apply their knowledge of ellipses to short-answer questions about ellipses and eccentricity.
Curriki Rating3

Ellipse (unlabeled)

by Meredith Beaton
Image of a basic ellipse without the major parts labeled.
Curriki Rating3

Ellipse (labeled)

by Meredith Beaton
Image of a basic ellipse with all major parts labeled
Curriki Rating3

The original illustration from Kepler's book "New Astronomy," in which he documents the elliptical orbit of the Earth (the dotted line) by using parallax shift of the background stars compared to Mars to determine the location of the Earth relative to the Sun in orbit.
Curriki Rating3

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