A _____ is a large collection of stars, dust, and gas.

• galaxy
• nebula
• planet
• star

A _____ is body made of gas, held together by gravity and generates light by nuclear fusion.

• star
• galaxy
• nebula
• black hole

Which of the following describes a nebula?

• A cloud of gas and dust where new stars form

• An oval-shaped cluster of densely packed stars

• An explosion at the end of a giant star’s life

• A star and all the planets that revolve around it

The universe has many different components. Which list places four components of the universe in the most likely order from smallest to largest?

• Planets, stars, nebulae, galaxies

• Planets, stars, galaxies, nebulae

• Nebulae, stars, planets, galaxies

• Galaxies, stars, planets, nebulae

The Milky Way galaxy is described as a disk of stars orbiting a central point on the disk. Which of these best explains why people on Earth cannot see the entire shape of the Milky Way?

• Earth is a part of this galaxy.

• Many more stars exist outside the galaxy

• The stars in the center of the galaxy are extremely small

• The center of the galaxy consists of a dense cluster of stars

The natural satellite that orbits a planet is a:

• Meteor

• Moon

• Comet

• None of these

Tags

NGSS.MS-ESS1-1

Which of the following is an accurate description of the relationship between components of the universe?

• Stars always contain galaxies.

• Galaxies contain many stars.

• Stars contain several nebulae.

• Nebulae contain many galaxies.

Which of the following components of the universe is best described as an interstellar cloud of dust and gases where stars can form?

• a nebula

• a planet

• a galaxy

• a meteor

Which of these correctly identifies the different objects in the universe according to their size and composition?

• A nebula is larger than a galaxy.

• A solar system contains many stars.

• A galaxy contains many solar systems.

• A galaxy is bigger than a universe.

Stars form in giant clouds of gas and dust. What are these clouds called?

• Black Hole

• White Dwarf

• Super Nova

• Nebula