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The Structure of the Solar system Flashcards | StudBud

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The Structure of the Solar system

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8th Grade Unit 3 Lesson 1 Quiz

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Questions 7

Answers

1
What object in space is irregular in shape and made of ice and rock?
A. moon
B. comet
C. asteroid
D. meteoroid
2
Which statement correctly describes parallax?
C. Planets farther from Earth will appear to have a smaller position shift
A. Planets closer to Earth will appear brighter.
B. Planets farther away from Earth will have a dimmer appearance.
D. Planets farther away from Earth will appear to have a greater shift in
3
The picture shows orbital paths of objects. Which object orbits object E?
A. object A
D. object D
B. object B
C. object C
4
Dwarf planets are smaller than planets. What is another way that dwarf planets are different?
C. They have large objects in their orbit.
D. They move more slowly along their orbits.
B. They do not orbit the sun.
A. They are not spherical.
5
Which statement describes a limitation of the mode?
B. It cannot show the relative sizes of each planet.
D. It does not show the order of the planets, from the sun.
A. It cannot show how the planets orbit the sun.
C. It does not show the gravitational force exerted by each planet.
6
The table shows events that led to the theory that the sun is the center of the solar system. Which sequence is correct?
A. 1, 2, 3
D. 3,1,2
B. 1,3,2
C. 2,1,3
7
Some stars appear to move together as constellations. How do astronomers today explain this motion?
C. Gravitational attraction between the stars keeps them fixed.
A. The sun’s gravity keeps the stars together.
B. The stars appear to move together because of Earth’s rotation.
D. The stars move around Earth in the same way.