Download unit 2 test – the solar system: planets

UNIT 2 TEST – THE SOLAR SYSTEM: PLANETS
1. ______How old is the Earth?
a. 1.2 million years old
b. 4.6 million years old
c. 4.6 billion years old
d. 13 billion years old
2. ______Relative age of the moon can be determined from
a. Crater density
b. Crater depth
c. Crater length
d. Number of samples taken from each crater
3. ______Below are theories of how the moon was created, but which one is the most widely accepted
among scientists today?
a. Fission theory
b. Binary accretion theory
c. Capture theory
d. Giant impact theory
4. ______Earth is to sediment as moon is to
a. Ray
b. Impact crater
c. Regolith
d. Maria
e. Highland
5. ______Plate tectonic movement on Earth is caused by
a. Convection in the crust
b. Convection in the mantle
c. Convection in the outer core
d. Convection in the inner core
e. There is no plate tectonic movement currently on Earth
6. ______Plate tectonic movement on the Moon is caused by
a. Convection in the crust
b. Convection in the mantle
c. Convection in the outer core
d. Convection in the inner core
e. There is no plate tectonic movement currently on the Moon
7. ______Objects are deflected to the right in the northern hemisphere and the left in the southern
hemisphere as a result of the
a. Earth’s tilt
b. Coriolis Effect
c. Moon’s gravity
d. Earth’s revolution around the sun
e. Aliens
8. ______The composition of the Earth’s atmosphere is
a. The same as the Moon’s atmosphere
b. Comprised of He, Ne and Ar
c. Comprised of mostly N, O and Ar
d. Very thin
e. Contains high amounts of ammonia
9. ______What is the rock that comprises the ocean floor?
a. Basalt
b. Sandstone
c. Limestone
d. Granite
e. Marble
10. ______What country did we compete against in the Space Race?
a. Germany
b. Italy
c. Russia/Soviet Union
d. Mexico
e. Great Britain
11. ______Which Apollo Mission was the first to bring Americans into space, orbit the moon and come
back safely?
a. Apollo 1
b. Apollo 8
c. Apollo 11
d. Apollo 12
e. Apollo 13
12. ______In which Apollo Mission did the first man walk on the moon?
a. Apollo 8
b. Apollo 11
c. Apollo 12
d. Apollo 13
e. Apollo 16
13. ______What accounts for the Earth’s temperature to shift very little between day and night, unlike the
moons?
a. Global Warming
b. The Greenhouse Effect
c. The Coriolis Effect
d. The Nebular Theory
e. The Giant Impact Theory
14. ______Which of the following IS NOT a terrestrial planet?
a. Neptune
b. Mercury
c. Mars
d. Venus
15. ______Which of the following is a characteristic of the outer planets?
a. High density
b. Made primarily of iron
c. Mass is less than or equal to that of Earth
d. Methane-ammonia atmosphere
16. ______Suppose there are 1000 grams of an isotope that has a half-life of 10 minutes. How much of the
isotope will be left after 40 minutes?
a. 250 grams
b. 0 grams
c. 125 grams
d. 62.5 grams
17. ______Maria is comprised of
a. Limestone
b. Anorthosite
c. Basaltic lava
d. Sandstone
18. ______Both the moon and Mercury have very large temperature variations between day and night.
The main reason for this is
a. Small mass
b. Rocky composition
c. Distance from the sun
d. Lack of atmosphere
e. Lack of water
19. ______Venus was once considered to be Earth’s sister planet (at the beginning of their existence)
because
a. It is the closest planet to Earth
b. It is similar in size
c. It has a similar mass
d. It has an atmosphere
e. All of the above
20. ______The Great Red Spot is
a. A large red crater on Mars
b. A colored polar cap of Jupiter
c. A temporary storm in Jupiter’s atmosphere, lasting a few months
d. The top of a massive mountain penetrating through Jupiter’s cloud
e. A large, long lived storm system in Jupiter’s atmosphere
21. ______Internal heating of Jupiter, Saturn and Neptune leads to
a. convection
b. storms
c. winds
d. All of the above
e. None of the above
22. ______ Because the Earths’ environment is being destroyed and we have yet to create the technology
to live on Mars or the moon, humans have begun looking at
a. Alternate energy sources such as wind, solar and water power
b. Ways for whole civilizations to live in space
c. Ways to intercept alien life forms and ask them what to do
d. None of the above
23. ______ The 2 most easily accessible alternate energy forms for the Midwest are
a. Water and wind
b. Wind and biofuel
c. Water and biofuel
d. Geothermal and water
e. Geothermal and wind
For numbers 24-56, match the letter from the column on the right. You can use each answer more than once
or not at all.
24. ______1st planet from the sun
25. ______2nd planet from the sun
26. ______ 3rd planet from the sun
27. ______4th planet from the sun
28. ______ 5th planet from the sun
29. ______ 6th planet from the sun
30. ______ 7th planet from the sun
A. Jupiter
B. Earth
C. Mercury
D. Neptune
E. Mars
F. Saturn
G. Uranus
H. Venus
31. ______8th planet from the sun
32. ______Has the lowest density- lower than water!!
33. ______ Io is an example of a moon from this planet
34. ______ has the most moons
35. ______only planet that currently supports life (that we know of)
36. ______ Has runoff channels that show evidence of ancient water
37. ______contains Olympus Mons, the biggest volcano in our solar system
38. ______contains the most mass
39. ______ has the smallest equatorial diameter
A. Jupiter
B. Earth
C. Mercury
D. Neptune
E. Mars
F. Saturn
G. Uranus
H. Venus
40. ______ the most volcanic planet and has surface features such as pancake domes
41. ______has the thinnest atmosphere
42. ______atmosphere made of concentrated sulfuric acid
43. ______ Has the coolest average temperature
44. ______ this planet radiates almost no internal heat
45. ______Contains the Great Dark Spot
46. ______Titan is its biggest moon
47. ______These TWO planets do not have any moons (yes, fill in TWO bubbles)
48. ______Has the warmest average temperature due to a greenhouse effect
A. Jupiter
B. Earth
C. Mercury
D. Neptune
E. Mars
F. Saturn
G. Uranus
H. Venus
49. ______has retrograde rotation
50. ______ this planets tilt is so great that its poles are almost in its orbital axis (rotates on its side)
51. ______ The Ring of Fire is a tectonically active region of this planet
52. ______ most eccentric orbit
53. ______Has the longest revolution (takes the longest to orbit the sun)
54. ______Triton is its biggest moon
55. ______Iron is responsible for this planets reddish color
56. ______All of these planets have rings (yes, bubble in more than one!!)
For numbers 57-60, match the lunar surface feature seen on each slide.
57.
58.
59.
60.
______SEE SLIDE
______SEE SLIDE
______SEE SLIDE
______SEE SLIDE
A.Maria
B. Impact crater
C. Highlands
D.Ray
A. Jupiter
B. Earth
C. Mercury
D. Neptune
E. Mars
F. Saturn
G. Uranus
H. Venus
For number 61-65, match the planet with the one you see on the slide.
61. ______ SEE SLIDE
A. Jupiter
62. ______SEE SLIDE
63. ______SEE SLIDE
B. Earth
64. ______SEE SLIDE
C. Mercury
65. ______SEE SLIDE
D. Neptune
E. Mars
F. Saturn
G. Uranus
H. Venus
66. ______View the picture on the powerpoint. List the highlands, Copernicus Crater and maria IN ORDER
from OLDEST to YOUNGEST.
a. Copernicus crater, highlands, maria
b. Copernicus crater, maria, highlands
c. Highlands, maria, Copernicus crater
d. Maria, highlands, Copernicus crater
e. Highlands, Copernicus crater, maria
f. Maria, Copernicus crater, highlands
EXTRA CREDIT:
For 67-68, list the planet that was named under the ancient mythology. (.25 points each)
67. goddess of beauty and love _______________
68. winged messenger ____________________
69. What are the highlands on the moon made of? (1 point)
70. Because all part of a solid ring must rotate in the same amount of time (think Keplers Law), does the
outer part of Saturn’s ring need to rotate faster or slower than the inner part? (1 point)
71. Listen to the music. Which planet is Holst depicting? (.5 point each)
a.
b.
Unit 2 – PLANETS REVIEW
 Earth
 Age
 4.6 billion years old, radioisotope dating
 Suppose there are 100 grams of an isotope that has a half-life of 1 minute. How much of the
isotope will be left after 4 minutes?
 Plate tectonics
 Ring of fire, volcanism
 Caused by convection in the mantle
 Rocks
 Ocean floor made of basalt
 Coriolis Effect
 Wind deflection
 Atmosphere
 Composition – nitrogen, oxygen, argon
 Temperature inversion
 Greenhouse effect (IS NOT THE SAME AS GLOBAL WARMING!!)
 Moon
 Creation
 Giant Impact Theory is the most widely accepted
 Not active  no active plate tectonics
 Near side
 Younger, more maria, less highlands – be able to recognize pictures of these as well as rays and
impact craters
 Maria made of basalt
 Impact crater density is used to approximate age
 Far side
 Older, more highlands, less maria
 Regolith is sediment/debris on the moon
 Space Race against Russia/Soviet Union
 Apollo
 8- first man in space
 11 – first man to walk on the moon
 Terrestrial planets
 Smaller, rocky, dense, warmer
 Mercury
 1st planet from the sun



 Smallest planet
 Elliptical or eccentric orbit
 Large variation in temperature because of lack of atmosphere
 No moons
Venus
 2nd planet from the sun
 Begins habitable zone
 Earth’s sister planet at the beginning of the solar system (size, mass, composition, etc)
 Volcanically active right now – pancake domes
 Very dense atmosphere – warmest planet because of large greenhouse effect
 Sulfuric acid droplets in clouds
 Retrograde rotation, longest rotation
 No moons
Earth – see above
 3rd planet from the sun
Mars
 4th planet from the sun
 Most like Earth now
 Signs of water in ancient runoff channels and water erosion
 Olympus Mons – biggest volcano in the solar system
 2 moons
 Reddish color because of high iron content
 Ends habitable zone
 Outer planets
 Larger, atmospheres of H, He, ammonia and methane, less dense, cooler
 Jupiter
 5th planet from the sun
 Most massive planet
 Great Red Spot – long lived storm
 Most moons
 Io is the most volcanically active body in the solar system
 Has 1 ring
 Saturn
 6th planet from the sun
 Extensive ring system – 7 rings
 Titan is the biggest moon – possible methane = life
 Windiest planet
 Least dense
 Uranus
 7th planet from the sun
 Rotates on its side
 Has rings
 No internal heating – no storms, wind or convection
 Neptune
 8th planet from the sun
 Has rings
 Triton is its biggest moon
 Coldest


Longest revolution
Great Dark Spot
 storm