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Geology

Name _____________________________________________________   Date __________________    Score _________

Keywords: Geology

Questions

1.
Where does everything on Earth ultimately come from?
 
2.
What may have triggered the formation of our sun and the planets?
 
3.
About how many galaxies are there in the universe?
 
4.
How many stars are there in the Milky Way Galaxy?
 
5.
What is the name of the nearest star to our solar system?
Hint: ‘Proximatus’ is Latin for ‘approach’.
 
6.
About how long would it take a fast jet to reach the nearest star to our solar system?
 
7.
How far is a light year?
 
8.
How far across do scientists think the visible Universe is?
Hint: Best to count in light years, which is a measure of distance not years.
 
9.
What is the name of our home galaxy?
Hint: You can see it on a clear night.
 
10.
What do scientists think is hiding at the center of our galaxy?
 
11.
What keeps the planets orbiting around the sun?
 
12.
What is a Goldilocks Zone?
Hint: What is absolutely essential for life on our planet?
 
13.
Which are the four rocky planets?
Hint: They are the closest planets to the sun.
 
14.
What do scientist mean when they refer to “accretion” in space?
 
15.
What causes star dust to clump together?
 
16.
How long ago do scientist think our solar system began to form?
 
17.
Why are the four inner planets so rocky?
Hint: The inner planets are closest to the sun. How did this affect their formation?
 
18.
What are some of the more common heavy elements that formed our planet?
Hint: Which elements were able to survive the heat of the early solar system?
 
Possible Points: 0

Questions

1.
Where does everything on Earth ultimately come from?
 
2.
What may have triggered the formation of our sun and the planets?
 
3.
About how many galaxies are there in the universe?
 
4.
How many stars are there in the Milky Way Galaxy?
 
5.
What is the name of the nearest star to our solar system?
Hint: ‘Proximatus’ is Latin for ‘approach’.
 
6.
About how long would it take a fast jet to reach the nearest star to our solar system?
 
7.
How far is a light year?
 
8.
How far across do scientists think the visible Universe is?
Hint: Best to count in light years, which is a measure of distance not years.
 
9.
What is the name of our home galaxy?
Hint: You can see it on a clear night.
 
10.
What do scientists think is hiding at the center of our galaxy?
 
11.
What keeps the planets orbiting around the sun?
 
12.
What is a Goldilocks Zone?
Hint: What is absolutely essential for life on our planet?
 
13.
Which are the four rocky planets?
Hint: They are the closest planets to the sun.
 
14.
What do scientist mean when they refer to “accretion” in space?
 
15.
What causes star dust to clump together?
 
16.
How long ago do scientist think our solar system began to form?
 
17.
Why are the four inner planets so rocky?
Hint: The inner planets are closest to the sun. How did this affect their formation?
 
18.
What are some of the more common heavy elements that formed our planet?
Hint: Which elements were able to survive the heat of the early solar system?
 
Possible Points: 0
 

Solutions

  1. Stars
  2. The massive explosion of a long lost star
  3. Uncountable billions
  4. Billions
  5. Proxima Centauri
  6. More than a million years
  7. The distance light travels in one year—about 9 trillion km
  8. At least 93 billion light years
  9. The Milky Way
  10. A super-massive black hole.
  11. The gravitational pull of the sun
  12. An orbit that is just the right distance from the sun to support liquid water.
  13. Mercury, Venus, Earth, and Mars
  14. The slow process of planet building caused by star dust clumping together.
  15. The force of gravity
  16. About 4.6 billion years ago ($4.6 \times 10^9$)
  17. In the early solar system, temperatures in this region were so hot that they vaporized the lighter elements.
  18. Iron, silicon, magnesium, sulfur, aluminum, calcium and nickel
  19. Stars
  20. The massive explosion of a long lost star
  21. Uncountable billions
  22. Billions
  23. Proxima Centauri
  24. More than a million years
  25. The distance light travels in one year—about 9 trillion km
  26. At least 93 billion light years
  27. The Milky Way
  28. A super-massive black hole.
  29. The gravitational pull of the sun
  30. An orbit that is just the right distance from the sun to support liquid water.
  31. Mercury, Venus, Earth, and Mars
  32. The slow process of planet building caused by star dust clumping together.
  33. The force of gravity
  34. About 4.6 billion years ago ($4.6 \times 10^9$)
  35. In the early solar system, temperatures in this region were so hot that they vaporized the lighter elements.
  36. Iron, silicon, magnesium, sulfur, aluminum, calcium and nickel