Keplers Laws

Flashcard
•
Science
•
9th Grade
•
Hard
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What does Kepler's 2nd Law state?
Back
Kepler's 2nd Law states that a line segment joining a planet and the Sun sweeps out equal areas during equal intervals of time, meaning a planet moves faster when it is closer to the Sun.
Tags
NGSS.HS-ESS1-4
2.
FLASHCARD QUESTION
Front
Where does a planet move fastest in its orbit?
Back
A planet moves fastest in its orbit when it is closest to the Sun, typically between positions A and B.
Tags
NGSS.HS-ESS1-4
3.
FLASHCARD QUESTION
Front
What is the eccentricity of a circle?
Back
The eccentricity of a circle is zero.
4.
FLASHCARD QUESTION
Front
What are the two fixed points in an ellipse called?
Back
The two fixed points in an ellipse are called foci.
5.
FLASHCARD QUESTION
Front
What is the maximum eccentricity of an ellipse before it becomes a line?
Back
The maximum eccentricity of an ellipse before it becomes a line is .99.
6.
FLASHCARD QUESTION
Front
What shape does a planet's orbit take according to Kepler's Laws?
Back
A planet's orbit takes the shape of an ellipse.
Tags
NGSS.HS-ESS1-4
7.
FLASHCARD QUESTION
Front
What is the definition of eccentricity in relation to an ellipse?
Back
Eccentricity is a measure of how much an ellipse deviates from being circular, ranging from 0 (circle) to 1 (line).
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