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Orbit of Objects CFA

Authored by Ariana Hernandez

Science

9th - 12th Grade

NGSS covered

Used 6+ times

Orbit of Objects CFA
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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Using the Ellipse models you created in class and the image above:

Which of the following statements is true?

When the two pins of the ellipse are moved apart they become more circular.

When the two pins of the ellipse are moved apart they become more elongated.

When the two pins of the ellipse are moved closer it becomes more elongated.

There is no change in shape when moving the distance between pins.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Using the table above which of the following would be true?

The blue dot would complete its ellipse faster.

The blue dot would take longer to complete its ellipse.

The green dot would take longer to complete its ellipse.

The take to complete the ellipse would be the same for both dots.

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Using the information you know about our solar system, which of the following planets would orbit the sun the fastest?

Venus

Mars

Saturn

Neptune

Tags

NGSS.MS-ESS1-2

4.

OPEN ENDED QUESTION

3 mins • 1 pt

Media Image

Based on Kepler’s 2nd law and the image above, explain the difference between the speed of the orbits points C and D (when a planet is nearest to the sun) and points B and A (when a planet is furthest from the sun). Write a paragraph using evidence and reasoning to justify your answer.

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Tags

NGSS.MS-PS3-1

5.

OPEN ENDED QUESTION

3 mins • 1 pt

Media Image

Eccentricity is a measure of how stretched or circular an ellipse is. The formula for eccentricity (e) in terms of the semi-major axis (a) and the distance from the center to a focus (c) is: 

e= c/a

Question:

Claim: The orbit of a planet can be described by its eccentricity.

Evidence: Use the formula e=c/a to find eccentricity, where e is eccentricity, c is the distance between the focus, and a is the length of the major axis. 

Reasoning: Explain how the value of eccentricity relates to the shape of the planet's orbit. What does an eccentricity of 0 mean, and what does an eccentricity greater than 0 imply about the orbit? Provide examples or images from your model to support your explanation.


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Tags

NGSS.MS-PS2-4

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