The Solar System: Our Sun and Its Planets

What is the main idea of the passage?

• The Sun is the most important part of the solar system.

• The solar system is a vast place with many different planets.

• Earth is the only planet known to support life.

• The planets in the solar system are made of gas and ice.

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Main idea

Why did the author write this passage?

• To persuade people to study astronomy.

• To describe the characteristics of each planet.

• To explain the importance of the Sun.

• To provide information about the solar system.

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Author's purpose

What does "orbit" mean in the passage?

• A path a planet takes around the Sun.

• The surface of a planet.

• A type of star.

• The distance between planets.

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Vocabulary

Based on the passage, what can you infer about Venus?

• It is the smallest planet in the solar system.

• It has conditions that are not suitable for life.

• It is farther from the Sun than Earth.

• It is known for having many moons.

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Evidence and inferences