Space Review

1. Kylie’s class is studying galaxies. She is asked to describe a galaxy. Which statement is the BEST description of a galaxy?

• gas, dust, planets and billions of stars

• a star, planets that orbit the star, gas, and dust

• a planet, moons that orbit the planet, gas, and dust

• a group of planets, moons that orbit planets, gas, and dust

Tags

NGSS.MS-ESS1-2

2. Gravity is a force that holds a galaxy together. Which of the following objects are NOT in the Milky Way galaxy?

• The Sun
• Pluto
• The Andromeda Galaxy
• Other stars

Tags

NGSS.MS-ESS1-2

3. Planets are located at different distances from the Sun. Which two planets are closer to the Sun than Earth is?

• Mars and Jupiter
• Saturn and Neptune
• Venus and Jupiter
• Mercury and Venus

Tags

NGSS.MS-ESS1-3

4. Some planets are larger than others. Which planet is closest in size to Earth?

• Mars
• Venus
• Neptune
• Mercury

Tags

NGSS.MS-ESS1-3

5. During a trip to a planetarium, Casey learned all about the inner planets. Which statement BEST describes the four inner planets?

• They all have moons.

• They have clouds.

• They are small and rocky.

• They are mostly made of gas.

6. Sammi Jo wanted to draw the objects in our solar system. She drew our moon and the Sun. What are some other objects in the solar system that Sammi needs to include in the drawing?

• comets and stars

• stars and galaxies

• meteoroids and galaxies

• planets and asteroids

Tags

NGSS.MS-ESS1-3

7. Stella is making a model of the solar system. Which of these solar system objects in her model should be shown in orbit around a planet?

• asteroid

• moon

• comet

• galaxies

Tags

NGSS.MS-ESS1-2

8. Asteroids are found in space. How is an asteroid different from a planet?

• It is smaller.
• It is in orbit around the Sun.
• It is always outside the solar system.
• It has a long tail made of dust and gas.

9. Chester made a two-column chart to compare comets and asteroids. Which of these properties is true of BOTH comets and asteroids?

• larger than most planets

• revolves around the Sun

• made of gas, ice, and dust

• has moons around it

10. Which of the following statements correctly compares the inner planets of the Solar System to the outer planets?

• The inner planets have rings, while the outer planets do not have rings.
• The inner planets have few or no moons, while the outer planets have many moons.
• The inner planets have longer year lengths, while the outer planets have shorter year lengths.
• The inner planets are composed mostly of gas, while the outer planets are composed mostly of solids.