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Terrestrial Planets (Grade 9)

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Terrestrial Planets

1. 
Name the planet associated with the following feature or fact:

Strong magnetic field, high oxygen content in atmosphere                 
2. 
Name the planet associated with the following feature or fact:

Shows evidence of past running water, possible water underground               
3. 
Name the planet associated with the following feature or fact:

Highest temperature differential between night and day                     
4. 
Name the planet associated with the following feature or fact:

Retrograde rotation                 
5. 
Which planet is pictured below?
Planet Mars - Small
  1. Mars
  2. Earth
  3. Venus
  4. Mercury
6. 
This planet takes the longest (243 Earth days) to rotate about its axis.
  1. Earth
  2. Jupiter
  3. Mars
  4. Venus
7. 
The predominant component of the atmosphere of the planet shown below is
Planet Venus - Small
  1. oxygen
  2. nitrogen
  3. carbon dioxide
  4. carbon monoxide
8. 
One day on Mercury is equal to about 59 Earth days. Which statement best explains this phenomena?
  1. Mercury rotates slower than the Earth
  2. Mercury revolves faster than the Earth
  3. Earth is farther from the Sun than Mercury
  4. Earth has a lower orbital eccentricity than Mercury
9. 
The Earth is about how old?
  1. 4,500 years
  2. 450,000 years
  3. 4,500,000 years
  4. 4,500,000,000 years
10. 
The surface of the planet shown below is most similar to the surface of
Planet Mercury - Small
  1. the sun
  2. the moon
  3. the Earth
  4. an asteroid
11. 
It is called Earth's twin because it is similar in size, mass, density, and structure (crust, mantle, and core).
  1. Earth
  2. Mars
  3. Venus
  4. Mercury
12. 
Describe how Eratosthenes measured the size of Earth.



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