4 Written Questions

1. Galaxies with a disorganized appearance.
2. Galaxies with a bulge of stars at the center, with arms extending outward like a pinwheel.
3. A group of two or more stars that are held together by gravity.
4. A large group of older stars.

3 Multiple Choice Questions

1. Galaxies that are spherical or oval, with no trace of spiral arms.
   1. Elliptical Galaxies
   2. Irregular Galaxies
   3. Barred-spiral Galaxies
   4. Spiral Galaxies
2. A group of stars that appears to form a pattern as seen from Earth.
   1. Galaxy
   2. Quasars
   3. Constellation
   4. Binary Star
3. The enormously bright centers of distant, young galaxies.
   1. Binary Star
   2. Galaxy
   3. Star System
   4. Quasars

3 True/False Questions

1. Galaxy → A huge group of individual stars, star systems, star clusters, dust, and gas bound together by gravity.

   True        False

2. Binary Star → A star system with two stars.

   True        False

3. Barred-spiral Galaxies → Spiral galaxies that have a bar through the center with the arms extending outward from the bar on either side.

   True        False