Exploring the Solar System Lesson 2 Unit 1 Practice

Which of the following is likely to be discussed in a lesson titled "Exploring the Solar System: Discovering Our Sun, Planets, and More"?

• The structure of atoms

• The planets and the Sun

• The history of dinosaurs

• The process of photosynthesis

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Which of the following is a main part of our solar system?

• The Sun

• The Milky Way galaxy

• The North Star

• The Andromeda galaxy

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What is the role of the Sun in our solar system?

• It is the center and energy source.

• It is a planet that orbits Earth.

• It is a moon of Jupiter.

• It is an asteroid belt.

Why do scientists use models and gather data about the solar system?

• To better understand how the solar system works.

• To create new planets.

• To move the Sun to a new location.

• To make the planets change color.

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What is the main force that holds the solar system together?

• Magnetism

• Gravity

• Electricity

• Wind

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How many planets are there in our solar system?

• Five

• Six

• Eight

• Ten

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What do planets do in the solar system?

• Orbit the Sun

• Orbit asteroids

• Orbit comets

• Orbit moons

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What are moons in the solar system?

• Natural satellites that orbit planets

• Icy objects with bright tails

• Rocky bodies in the asteroid belt

• Smaller than regular planets but orbit the Sun

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Which of the following best describes asteroids?

• Rocky bodies, mostly in the asteroid belt

• Icy objects with bright tails

• The center and largest object

• Natural satellites that orbit planets

If you were to classify comets, which feature would you use?

• Icy objects with bright tails

• Rocky bodies in the asteroid belt

• The largest object in the solar system

• Natural satellites that orbit planets