Solar System Vocabulary Question Preview (ID: 26713)


Solar System Vocab For The Unit. TEACHERS: click here for quick copy question ID numbers.

Made up of gas, dust, and billions of stars and has different shapes
a) galaxies
b) planets
c) moons
d) comets

spherical or flattened disks
a) elliptical
b) spiral
c) irregular
d)

A nucleus of bright stars and two or more spiral arms
a) elliptical
b) spiral
c) irregular
d)

no definite shape
a) elliptical
b) spiral
c) irregular
d)

The distance light travels in on year
a) light year
b) dark year
c) 5 miles
d) good year

(Gas and dust) exist in space and are remnants from the formation of the universe when it formed
a) Nebula
b) comets
c) meteors
d) stars

May have rings or other unique surface characteristics
a) planets
b) moons
c) asteroids
d) comets

Most are rocky bodies covered with craters, but some have unique characteristics
a) planets
b) moons
c) comets
d) asteroids

Some _____ outside the belt have orbits that cross Earth's orbit, which require scientists to monitor their position
a) planets
b) moons
c) asteroids
d) comets

Have long, narrow, elliptical orbits that cause them to cross paths with other objects in the solar system
a) planets
b) moons
c) asteroids
d) comets

Chunks or rock that burn up upon entering a planet's atmosphere
a) meteors
b) comets
c) asteroids
d) moons

Prior to entering the atmosphere the chunks of rock move about within the solar system and are known as _____
a) meteoroids
b) meteors
c) meteorites
d) comets

When the chunk of rock strikes the surface of a planet or moon it is known as a _____
a) meteorite
b) meteors
c) meteoroid
d) comet

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