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Our Solar System (Grade 8)

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Our Solar System

1. 
The diagram below shows the alignment of the Sun, Moon, and Earth during a neap tide.
Spring Tide
  1. True
  2. False
2. 
Maddie must keep a moon journal for a homework assignment. Her sketches of how the moon appeared on three different clear nights are shown below. Based upon Maddie's drawings, it appears that the moon is waxing.

Moon Phase - Full Moon Moon Phase - Waxing Crescent Moon Phase - Last Quarter
  1. True
  2. False
3. 
Which of the following is NOT a major difference between the inner and outer planets?
  1. Inner planets are close together but outer planets are spread far apart.
  2. Inner planets are smaller and outer planets are bigger.
  3. Inner planets are made out of rock, but outer planets are made out of gas.
  4. Inner planets have moons but the outer planets do not have moons.
4. 
Day and night are caused by the Earth's                .
  1. tilt
  2. revolution
  3. moon
  4. rotation
5. 
About how much of the solar system's mass is in the sun?
  1. 85.5%
  2. 99.8%
  3. 65.9%
  4. 95.7%
6. 
Locate Tycho on the map of the moon shown below. Tycho is most likely                     .
Map of the Moon
  1. a dried ocean
  2. an ancient crater
  3. an extinct volcano
  4. a weathered mountain
7. 
Why does Saturn's moon Titan interest scientists?
  1. Titan is similar to Earth's moon
  2. life has been discovered on Titan
  3. it is the largest moon in the solar system
  4. it seems to have a planet-like atmosphere
8. 
What planet appears to be a blue-green due to the methane in its atmosphere?
  1. Uranus
  2. Mars
  3. Jupiter
  4. Saturn
9. 
Earth is the only planet in the solar system that has
  1. clouds
  2. a core
  3. oceans of water
  4. an atmosphere
10. 
Jupiter's Great Red Spot is a giant                .
Planet Jupiter - Small
  1. storm
  2. crater
  3. ocean
  4. volcano
11. 
What is a loose collection of ice, dust, and small rocky particles, typically with a long, narrow orbit?
  1. comet
  2. asteroid
  3. meteor
  4. meteorite
12. 
Which one of the following is a terrestrial planet?
  1. Saturn
  2. Uranus
  3. Mars
  4. Jupiter
13. 
The asteroid belt is located between which two objects on the solar system diagram below?
Solar System
  1. A and B
  2. C and D
  3. E and F
  4. H and I
14. 
               introduced the concept of a heliocentric system, in which planets revolve around the Sun
  1. Kepler
  2. Copernicus
  3. Ptolemy
  4. Aristotle
15. 
Which of the following planets in our solar system takes the least time to orbit the Sun?
  1. Mars
  2. Earth
  3. Jupiter
  4. Mercury
16. 
Which planet is shown below?
Planet Saturn - Small
  1. Mars
  2. Jupiter
  3. Saturn
  4. Neptune
17. 
How many terrestrial planets are there?
  1. 5
  2. 6
  3. 4
  4. 3
18. 
All the                 revolve around the Sun in the same direction.
  1. stars
  2. moons
  3. comets
  4. planets
19. 
Which planet is the hottest?
  1. Venus
  2. Mars
  3. Mercury
  4. Uranus
20. 
The diagram below shows the layers of                .
Diagram - Sun With Text Labels
  1. the sun
  2. a comet
  3. the Earth
  4. the moon

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