# Kepler's Three Laws of Planetary Motion

Instructions:

question 1 of 3

### If a planet's average distance from the sun is 10 AU, what is its orbital period?

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### 2. Kepler's Second Law states:

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Using mathematics, Johannes Kepler was able to calculate the orbit of Mars over 500 years ago. You can too, using Kepler's three laws of planetary motion. This lesson covers Kepler's history and Kepler's laws of planetary motion.

## Quiz & Worksheet Goals

In these assessments you'll be tested on key historical facts about Johannes Kepler and his three laws of planetary motion:

• The orbital period of a planet if the planet's average distance from the sun is 10 AU
• The planet's distance from the sun if a planet's orbital period is 10 years
• Kepler's Second Law Of Planetary Motion
• The term that is defined as the time it takes a planet to travel around the sun one time
• The term that is defined as a curve surrounding two points called foci

## Skills Practiced

• Distinguishing differences - compare and contrast topics from the lesson, such as Kepler's First Law of Planetary Motion and Kepler's Second Law of Planetary Motion
• Defining key concepts - ensure that you can accurately define main phrases, such as ellipse and orbital period
• Interpreting information - verify that you can read information regarding Kepler's Second Law of Planetary motion and the speed of an orbiting planet in its orbit and interpret it correctly