16. universe

1. All that exists (matter and non-matter) make up the ___________ .

1) earth
2) atmosphere
3) universe
4) solar system

2. _____________ are collections of stars, gas, & dust held together by _________ .

1) nebulae, gravity
2) solar systems, gravity
3) galaxies, universal hold
4) galaxies, gravity

3. Luminous (shiny) balls of gas in space are called ______________ .

1) satellites
2) stars
3) comets
4) asteroids

4. Stars are created from clouds of dust and gas found in ______________ .

1) nebulae
2) the atmosphere
3) solar flares
4) black holes

5. A violent explosion of a high mass star at the end of it's life is called a ____________ .

1) fulmination
2) supernova
3) outburst
4) flare up

6. Galaxies are classified by their ____________ .

1) shape
2) mass
3) smell
4) color

7. The three types of galaxies are ____________ , ______________ , _____________ .

1) elliptical, spiral, and orbtrix
2) irregular, galactic, and elliptical
3) galactic, spiral, and orbtrix
4) spiral, elliptical, and irregular

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 ________________ .

1) The Big Bang Theory
2) The Bouncing Universe Theory
3) The Inflationary Theory
4) The Bubble Universe Concept

9. Stars in the middle of their lifespan are called ______________ .

1) neutron stars
2) red dwarfs
3) white giants
4) main sequence star

10. As stars age and burn their fuel, their color changes and their temperatures _________________ .

1) decreases
2) stays the same
3) increases
4) emits baby unicorns

11. The sun is a star.

1) true
2) false

12. In which galaxy is our solar system located?

1) The Milky Way Galaxy
2) The Oreo Cookie Galaxy
3) The Adromeda Galaxy

13. Stars are made up of which two gases?

1) oxygen and carbon dioxide
2) helium and carbon monoxide
3) hydrogen and helium

14. The two gases of a star react to create ____________.

1) nuclear fusion
2) nuclear explosion
3) cookies and cream

15. The surface of the sun has lots of explosions.

1) false
2) true

16. What size is our sun?

1) medium
2) small
3) large

17. A blue star is the coolest star.

1) true
2) false

18. A red star is the hottest star.

1) false
2) true

19. Stars twinkle because of what?

1) They wiggle in the sky
2) Light pulsating down to earth
3) light bending through dust and warm and cold air

20. What is a group of stars in a pattern called?

1) A constellation
2) Star Club
3) Starlets

21. Which is NOT the name of a constellation

1) Gilligan
2) Orion
3) The Big Dipper
4) The Great Bear

22. The brightest STAR in the universe is __________.

1) Luna
2) Venus
3) The Sun
4) Sirius

23. All stars die. When does this happen?

1) When they explode
2) When they run out of gas to burn
3) When they crash

24. Which constellation looks like a large ladle?

1) The big dipper
2) Orion
3) Great Dog

25. The Big Dipper is actually part of a larger constellation called ___________.

1) The Little Bear
2) The Great Bear
3) Orion

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