- 1. All that exists (matter and non-matter) make up the ___________ .
A) universe
B) earth
C) solar system
D) atmosphere
- 2. _____________ are collections of stars, gas, & dust held together by _________ .
A) solar systems, gravity
B) nebulae, gravity
C) galaxies, gravity
D) galaxies, universal hold
- 3. Luminous (shiny) balls of gas in space are called ______________ .
A) satellites
B) stars
C) comets
D) asteroids
- 4. Stars are created from clouds of dust and gas found in ______________ .
A) nebulae
B) the atmosphere
C) solar flares
D) black holes
- 5. A violent explosion of a high mass star at the end of it's life is called a ____________ .
A) flare up
B) outburst
C) fulmination
D) supernova
- 6. Galaxies are classified by their ____________ .
A) mass
B) color
C) smell
D) shape
- 7. The three types of galaxies are ____________ , ______________ , _____________ .
A) irregular, galactic, and elliptical
B) elliptical, spiral, and orbtrix
C) spiral, elliptical, and irregular
D) galactic, spiral, and orbtrix
- 8. The theory of the observation that other galaxies are moving away from our own at great speed, in all directions, as if they had all been propelled by an ancient explosive force is known as ________________ .
A) The Bubble Universe Concept
B) The Bouncing Universe Theory
C) The Inflationary Theory
D) The Big Bang Theory
- 9. Stars in the middle of their lifespan are called ______________ .
A) main sequence star
B) white giants
C) neutron stars
D) red dwarfs
- 10. As stars age and burn their fuel, their color changes and their temperatures _________________ .
A) emits baby unicorns
B) decreases
C) increases
D) stays the same
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