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Intro to Our Universe Quiz
Contributed by: LaPrad
  • 1. The study of our universe is called___
A) geology
B) space
C) astronomy
D) geography
E) astrology
  • 2. Our sun is actually a ________
A) planet
B) star
C) supernova
D) nova
E) galaxy
  • 3. Everything that exists, exists in _________
A) the sun
B) the universe
C) our cells
D) water
E) an atom
  • 4. Which of these is the largest?
A) galaxy
B) solar system
C) Sun
D) Jupiter
E) Earth
  • 5. An idea that has lots of evidence to back it up but that can not be proven is a(n) ___
A) theory
B) law
C) educated guess
D) hypothesis
E) prediction
  • 6. True or False.... A scientific theory can be proven
A) False
B) True
  • 7. True or False... A scientific law can be proven
A) False
B) True
  • 8. There are/is _____ Sun(s) in our galaxy
A) millions of
B) two
C) three
D) one
E) 100
  • 9. There are _____ galaxies in our universe
A) 100
B) 2
C) 10
D) 7
E) thousands of
  • 10. Our galaxy is called _____
A) the Solar System
B) none of these
C) the Milky Way
D) a super nova
E) Alpha Centauri
  • 11. To have gravity, an object must have ____
A) height
B) mass
C) volume
D) electricity
E) all of these
  • 12. Your body exerts or has its own gravity.
A) True
B) False
  • 13. Which of these would exert or have the most gravity?
A) a fly
B) you
C) Earth
D) Jupiter
E) an elephant
  • 14. When one object attracts or pulls on another object
A) none of these
B) pressure
C) supernova
D) gravity
E) the universe
  • 15. Gravity makes objects ____ when they are falling
A) slow down
B) move at a constant speed
C) speed up
D) all of these
  • 16. What keeps you on the ground?
A) pressure
B) volume
C) density
D) acceleration
E) gravity
  • 17. Gravity keeps our Earth ____
A) from shrinking
B) from exploding
C) none of these
D) in orbit around the Sun
E) from growing 1000x larger
  • 18. If you drop a penny and a baseball they fall ___
A) at the same speed
B) none of these
C) so that the baseball hits first
D) at different speeds
E) so that the penny hits first
  • 19. Gravity can pull on clouds to affect weather.
A) Never
B) False
C) True
  • 20. What makes our ocean tides rise and fall?
A) too much rain
B) the Moon's gravity
C) Earth's gravity
D) wind
E) tornadoes
  • 21. A container with no air is called or creates a ___
A) sun
B) vacuum
C) supernova
D) planet
E) nebula
  • 22. E.M. stands for___
A) Earth's mass
B) emit motion
C) electromagnetic
D) electrical movement
E) emergency medical
  • 23. Which of these types of waves are NOT on the EM spectrum?
A) radio waves
B) all of these
C) TV broadcast waves
D) x-rays
E) ocean waves
  • 24. What do scientists use to see the universe's galaxies?
A) microscopes
B) all of these
C) binoculars
D) telescopes
E) none of these
  • 25. Radiation is always bad.
A) False
B) True
  • 26. Matter that does not give off radiation that can be detected is _____
A) dark matter
B) a nebula
C) a black hole
D) light matter
E) a supernova
  • 27. Scientists believe that 90% of matter in the galaxies is ______
A) made of oxygen
B) makes up planets
C) makes up our sun
D) dark matter
E) light matter
  • 28. Objects that heat and light the planets are called____
A) wavelengths
B) stars
C) radiation
D) none of these
E) suns
  • 29. Our Sun is small in comparison to other stars in the universe
A) our Sun is not a star
B) True
C) False
  • 30. Stars are made of _____
A) plasma
B) liquid
C) iron
D) solid
E) metals
  • 31. The "light" given off by stars comes from ___
A) iron
B) metal reflections
C) fire
D) oxygen
E) constant nuclear reactions
  • 32. Stars are usually made of which 2 gases?
A) oxygen and nitrogen
B) helium and nitrogen
C) iron and oxygen
D) helium and hydrogen
E) hydrogen and oxygen
  • 33. There are many different kinds of light in our universe.
A) True
B) False
  • 34. Infrared, ultraviolet and x-rays are all forms of _____
A) gases
B) supernovas
C) solids
D) liquids
E) light
  • 35. A ball of gases that has many nuclear reactions is called_______
A) gravity
B) mass
C) a planet
D) a star
E) a galaxy
  • 36. What color is our Sun?
A) red
B) orange
C) invisible
D) white
E) yellow
  • 37. The color of a star depends on its _________
A) gravity
B) size only
C) surface temperature
D) gases
E) distance from s planet
  • 38. Higher temperatures create a__________star
A) orange
B) yellow
C) white
D) red
E) blue
  • 39. Lower temperatures create a ______ star
A) red
B) blue
C) orange
D) white
E) yellow
  • 40. A star's luminosity means its _______
A) temperature
B) size
C) gas type
D) brightness
E) volume
  • 41. A star's radius means its ________
A) color
B) orbit
C) density
D) size
E) temperature
  • 42. Our Sun has a _____ temperature compared to others in the universe
A) medium
B) none of these
C) below zero
D) cooler
E) hotter
  • 43. Like other organisms, stars have a _________
A) nitrogen cycle
B) life cycle
C) all of these
D) water cycle
E) carbon cycle
  • 44. Stars are born from huge clouds of _____
A) water and dust
B) oxygen
C) nitrogen
D) gas and dust
E) hydrogen and water
  • 45. The "beginning" of a star's life is called a _____
A) white dwarf
B) radiation wave
C) supernova
D) gamma ray
E) nebula
  • 46. A nebula that condenses and gets smaller is called a _____
A) giant nebula
B) supernova
C) solar sytem
D) protostar
E) galaxy
  • 47. The prefix "proto" means ____
A) early or before
B) middle of a cycle
C) none of these
D) older or after
  • 48. Right at the end of the protostar phase, a star becomes _____
A) more dense
B) a solid
C) explosive
D) all of these
E) less dense
  • 49. The star's heavy elements move___
A) in horizontal lines
B) to the center
C) in straight lines
D) out into the atmosphere
  • 50. After a star's main sequence, it becomes a _______
A) red giant
B) blue star
C) green star
D) supernova
E) white dwarf
  • 51. As a star cools it starts to ____
A) all of these
B) shrink
C) grow
D) disappear
  • 52. As a star begins to die, it becomes a _________
A) red dwarf
B) yellow giant
C) blue dwarf
D) red giant
E) white dwarf
  • 53. What is a super nova?
A) when 2 planets collide
B) when 2 stars collide
C) when a galaxy explodes
D) when a star's reactions stop and it explodes
E) when a star's reactions speed up and it explodes
  • 54. When a star has little or no fuel left, it is in its ______ stage of life
A) first
B) final
C) 10th
D) middle
  • 55. A star in its final stage becomes a ____
A) none of these
B) yellow dwarf
C) blue planet
D) white dwarf
E) red giant
  • 56. A black hole has so much gravity that ______
A) it explodes into a supernova
B) all of these
C) even light can not get out
D) light can escape easily
  • 57. No object can escape the gravity of a black hole.
A) True
B) False
  • 58. A huge amount of mass in a very small space produces a ___
A) black hole
B) galaxy
C) solar system
D) supernova
E) universe
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