Unit 10 Earth-Sun-Moon System Practice Test

Fill in the blank: ________ is an object that orbits a planet.

• satellite

• asteroid

• comet

• star

Tags

NGSS.MS-ESS1-2

Fill in the blank: ________ is a ball of hot gas, primarily hydrogen and helium that undergoes nuclear fusion.

• star

• planet

• comet

• asteroid

Fill in the blank: ________ is an object that orbits a star and is rounded by its own gravity.

• planet

• asteroid

• comet

• satellite

Fill in the blank: ________ are rocky objects revolving around the sun.

• asteroid

• comet

• planet

• star

Fill in the blank: ________ is the burning of a rocky object in earth's atmosphere.

• meteor

• comet

• asteroid

• planet

Fill in the blank: ________ is a loose collection of ice and dust that orbits the sun.

• comet

• asteroid

• planet

• meteor

Fill in the blank: ________ is a pattern of stars that may represent a figure or object.

• constellation

• galaxy

• asteroid

• comet

Fill in the blank: ________ is a model of the universe in which earth is at the center.

• geocentric

• heliocentric

• acentric

• egocentric

Fill in the blank: ________ is a model of the universe in which the sun is at the center.

• heliocentric

• geocentric

• acentric

• egocentric

Fill in the blank: ________ is the oval shape in which the planets orbit the sun.

• ellipse

• circle

• square

• triangle

Tags

NGSS.MS-ESS1-2