Orbital Motion Test Review

Organize these options into the right categories

Groups:

(a) True

,

(b) False

• All 8 planets orbit around the sun in an elliptical shape.

• At a planet’s perihelion, it travels slowest in its orbit.

• All space objects in the solar system

  travel at a constant speed.

• The distance between a planet and the

  Sun impacts a planet’s orbital period.

• A planet’s distance from the sun doesn’t impact its length of year.

• Planets that are closer to the sun have a shorter planetary year.

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NGSS.HS-ESS1-4

Match the following

Groups:

(a) Kepler's 1st Law

,

(b) Kepler's 2nd Law

,

(c) Kepler's 3rd Law

• Perihelion is a point in a planets orbit

  when its closest to the sun.

• Mercury takes a shorter time period to

  orbit the sun because it is the closest.

• A planet will travel slowest at its

  aphelion.

• A planet’s orbit around the Sun is an

  elliptical shape.

• A planet travels faster in its orbit when it

  is closer to the sun.

• The speed of a planet in its orbit varies.

• Aphelion is a point in a planets orbit

  when its farthest from the sun.

• An outer planet will have a longer orbital

  revolution around the sun.

• A planet’s orbital period depends on its

  distance from the sun.

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NGSS.HS-ESS1-4

The Earth has an eccentricity of 0.0167 as it orbits around the Sun. Which diagram is the best representation of the orbit of the Earth around the Sun?

• 
• 
• 

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NGSS.HS-ESS1-4

From which options below would the planet appear to be moving the fastest?

• Position A to B

• Position B to C

• Position H to I

• Position I to J

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NGSS.HS-ESS1-4

What is true about the area between points A, B and the Sun, and the area between points H, I and the Sun?

• The area between A, B and the Sun is the largest.
• The area between H, I and the Sun is the largest
• Both areas are equal in size
• There is not enough information to determine the areas

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NGSS.HS-ESS1-4

The animation below illustrates Kepler's __________ law.

• first

• second

• third

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The animation below illustrates Kepler's __________ law.

• first

• second

• third

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NGSS.HS-ESS1-4

Calculate the eccentricity of this planet.

• 5.4

• 0.67

• 0.25

• 0.19

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NGSS.HS-ESS1-4

When is the Earth moving the fastest?

• July

• November

• January

• February

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NGSS.HS-ESS1-4

Which planet orbits the fastest around Star A?

• Planet X

• Planet Y

• Planet Z

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NGSS.HS-ESS1-4