Unit 1 Quiz

Which universal scale term is listed from largest to smallest.

• earth, universe, local galaxy, super cluster

• galaxy, local galaxy, universe, solar systerm

• super cluster, local galaxy, solar system, earth

• galaxy, super cluster, earth, universe

Answer explanation

Universe, super cluster, local galaxy, galaxy, solar system, sun, earth

What type of galaxy do we live in?

• Elliptical

• Spiral

• Irregular

• Horseshoe

Which kind of galaxy look like ovals and are filled with old stars

• elliptical

• spiral

• irregular

Which kind of galaxy has spiral arms

• elliptical

• spiral

• irregular

Which kind of galaxy has no distinctive shape and has new stars forming

• elliptical

• spiral

• irregular

• horseshoe

What type of historical model shows earth at the center?

• geocentric

• heliocentric

Which early scientist supported a geocentric model?

• Kepler

• Copernicus

• Aristotle

Which early scientist supported a heliocentric model?

• Aristotle

• Ptolemy

• Copernicus

Which historical model shows the sun at the center?

• geocentric

• heliocentric

What is made of stars, gas and dust?

• planet

• comet

• meteor

• galaxy