Created on: August 1, 2009

Website Address: https://library.curriki.org/oer/Ellipses-Assessment

TABLE OF CONTENTS

- A Tour of the Universe -- Scope and Sequence
- Introduction to A Tour of the Universe
- Aristotle and Ptolemy
- Retrograde Motion Activity
- The Renaissance and Leonardo da Vinci
- Nicolaus Copernicus
- Brahe, Kepler, and Galileo -- A Burst of Ideas
- The Universe and Planetary Motion
- Movement of Earth in the Solar System
- The Solar System
- Motion
- Newton and Laws of Motion
- Earth's Atmosphere
- Adventures in Space
- Centripetal Motion
- Ellipses
- Measuring the Earth

- Measuring the Earth
- Measuring the Earth Assessment
- Earth's Shadow
- Ship on the Horizon
- Eratosthenes Map

- The Magnitude of the Solar System
- The Sun
- Terrestrial Planets
- Gas Giants
- Solar System Assessment
- Magnitude of the Solar System

IN COLLECTION

[Note: this assessment is available as a pdf and doc file for download:

(2) What is the definition of eccentricity? (Please explain in words and with a mathematical equation)

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Equation:

(3) What is the eccentricity of this ellipse:

(4) Draw an ellipse using the method we used in the lesson:

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Due Date: _________________

Astronomy Assessment

Lesson: Ellipses

(1) Please label all of the parts of the ellipse that you know:

(2) What is the definition of eccentricity? (Please explain in words and with a mathematical equation)

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Equation:

(3) What is the eccentricity of this ellipse:

(4) Draw an ellipse using the method we used in the lesson:

(a) What is the sum of the distance from any point on the ellipse to each focus?

(b) What is the eccentricity?

(c) What is the distance from each focus to the center?

(5) If the Earth’s eccentricity were 0.2, how would we feel the effects and why?

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