space

What is the closest star to Earth? (a)  

• the Moon

• North Star

• Saturn

• the Sun

Which of these best explains why the sun appears to move across the sky each day?

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A student draws a model showing the movements of Earth, the moon, and sun. Which arrow shows the movement that causes day and night on Earth?

• Arrow 1, because it shows the rotation of the sun

• Arrow 2, because it shows the orbit of Earth around the sun

• Arrow 3, because it shows the orbit of the moon around Earth

• Arrow 4, because it shows the rotation of Earth

Place the inner planets in order from nearest to the sun, to farthest away.

• Mercury

• Venus

• Earth

• Mars

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112.16.b.8

The diagram below shows the orbit of Earth and the orbit of Borrelly. Which of these types of space objects is Borrelly most likely to be?

• Asteroid

• Comet

• Moon

• Planet

Asteroids are large bodies of rock that are too small to be planets. An asteroid belt has many asteroids. The diagram shows the asteroid belt located between Mars and the first outer planet.

Which outer planet is closest to this asteroid belt?

• Uranus

• Neptune

• Saturn

• Jupiter

A student records the following information about a planet:

- Its largest moon is named Titan

- It is made up mostly of gases

- It is surrounded by rings

- It is the sixth planet from the sun.

Which planet is the student studying?

• Saturn

• Uranus

• Jupiter

• Mars

Which planet in the solar system is farthest from the sun?

• Mercury

• Neptune

• Saturn

• Venus

Students make a solar system model on the playground. The school building represents the sun. They label round objects for each planet.

Which planet should they place at the greatest distance from the school building?

• Jupiter

• Neptune

• Mercury

• Saturn

In the early 1600, the astronomer Galileo used a telescope to make observations of Mercury and Venus. What are the positions of these plants in relation to the sun?

• Mercury is the planet closest to the sun, and Venus is the second planet from the sun.

• Mercury is the second planet from the sun, and Venus is the third planet from the sun.

• Venus is the planet closest to the sun, and Mercury is the second planet from the sun.

• Mercury is the third planet from the sun, and Venus is the planet closest to the sun.