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Intro to Our Universe Quiz
Contributed by: LaPrad
  • 1. The study of our universe is called___
A) space
B) astronomy
C) geography
D) geology
E) astrology
  • 2. Our sun is actually a ________
A) galaxy
B) supernova
C) nova
D) star
E) planet
  • 3. Everything that exists, exists in _________
A) the sun
B) an atom
C) water
D) the universe
E) our cells
  • 4. Which of these is the largest?
A) Earth
B) galaxy
C) Jupiter
D) Sun
E) solar system
  • 5. An idea that has lots of evidence to back it up but that can not be proven is a(n) ___
A) educated guess
B) law
C) hypothesis
D) prediction
E) theory
  • 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) two
B) one
C) millions of
D) three
E) 100
  • 9. There are _____ galaxies in our universe
A) thousands of
B) 2
C) 10
D) 7
E) 100
  • 10. Our galaxy is called _____
A) Alpha Centauri
B) the Milky Way
C) none of these
D) the Solar System
E) a super nova
  • 11. To have gravity, an object must have ____
A) mass
B) electricity
C) volume
D) height
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) you
B) an elephant
C) Earth
D) a fly
E) Jupiter
  • 14. When one object attracts or pulls on another object
A) the universe
B) gravity
C) pressure
D) supernova
E) none of these
  • 15. Gravity makes objects ____ when they are falling
A) all of these
B) move at a constant speed
C) speed up
D) slow down
  • 16. What keeps you on the ground?
A) gravity
B) acceleration
C) volume
D) pressure
E) density
  • 17. Gravity keeps our Earth ____
A) from exploding
B) in orbit around the Sun
C) none of these
D) from shrinking
E) from growing 1000x larger
  • 18. If you drop a penny and a baseball they fall ___
A) so that the penny hits first
B) at the same speed
C) at different speeds
D) none of these
E) so that the baseball 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) wind
B) Earth's gravity
C) tornadoes
D) too much rain
E) the Moon's gravity
  • 21. A container with no air is called or creates a ___
A) supernova
B) sun
C) nebula
D) planet
E) vacuum
  • 22. E.M. stands for___
A) emit motion
B) electromagnetic
C) Earth's mass
D) emergency medical
E) electrical movement
  • 23. Which of these types of waves are NOT on the EM spectrum?
A) x-rays
B) all of these
C) TV broadcast waves
D) ocean waves
E) radio waves
  • 24. What do scientists use to see the universe's galaxies?
A) none of these
B) binoculars
C) telescopes
D) microscopes
E) all of these
  • 25. Radiation is always bad.
A) True
B) False
  • 26. Matter that does not give off radiation that can be detected is _____
A) dark matter
B) a supernova
C) light matter
D) a black hole
E) a nebula
  • 27. Scientists believe that 90% of matter in the galaxies is ______
A) light matter
B) makes up our sun
C) dark matter
D) makes up planets
E) made of oxygen
  • 28. Objects that heat and light the planets are called____
A) wavelengths
B) none of these
C) stars
D) suns
E) radiation
  • 29. Our Sun is small in comparison to other stars in the universe
A) True
B) our Sun is not a star
C) False
  • 30. Stars are made of _____
A) iron
B) metals
C) solid
D) liquid
E) plasma
  • 31. The "light" given off by stars comes from ___
A) metal reflections
B) fire
C) iron
D) oxygen
E) constant nuclear reactions
  • 32. Stars are usually made of which 2 gases?
A) helium and hydrogen
B) helium and nitrogen
C) iron and oxygen
D) hydrogen and oxygen
E) oxygen and nitrogen
  • 33. There are many different kinds of light in our universe.
A) False
B) True
  • 34. Infrared, ultraviolet and x-rays are all forms of _____
A) supernovas
B) solids
C) gases
D) liquids
E) light
  • 35. A ball of gases that has many nuclear reactions is called_______
A) gravity
B) a galaxy
C) mass
D) a planet
E) a star
  • 36. What color is our Sun?
A) yellow
B) orange
C) red
D) white
E) invisible
  • 37. The color of a star depends on its _________
A) gravity
B) gases
C) surface temperature
D) distance from s planet
E) size only
  • 38. Higher temperatures create a__________star
A) orange
B) blue
C) red
D) yellow
E) white
  • 39. Lower temperatures create a ______ star
A) red
B) white
C) orange
D) blue
E) yellow
  • 40. A star's luminosity means its _______
A) brightness
B) volume
C) size
D) temperature
E) gas type
  • 41. A star's radius means its ________
A) density
B) temperature
C) size
D) color
E) orbit
  • 42. Our Sun has a _____ temperature compared to others in the universe
A) none of these
B) hotter
C) below zero
D) cooler
E) medium
  • 43. Like other organisms, stars have a _________
A) nitrogen cycle
B) carbon cycle
C) all of these
D) water cycle
E) life cycle
  • 44. Stars are born from huge clouds of _____
A) gas and dust
B) nitrogen
C) water and dust
D) oxygen
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) galaxy
B) solar sytem
C) supernova
D) protostar
E) giant nebula
  • 47. The prefix "proto" means ____
A) none of these
B) early or before
C) older or after
D) middle of a cycle
  • 48. Right at the end of the protostar phase, a star becomes _____
A) all of these
B) more dense
C) a solid
D) explosive
E) less dense
  • 49. The star's heavy elements move___
A) in horizontal lines
B) to the center
C) out into the atmosphere
D) in straight lines
  • 50. After a star's main sequence, it becomes a _______
A) red giant
B) supernova
C) white dwarf
D) blue star
E) green star
  • 51. As a star cools it starts to ____
A) grow
B) all of these
C) shrink
D) disappear
  • 52. As a star begins to die, it becomes a _________
A) red giant
B) white dwarf
C) yellow giant
D) red dwarf
E) blue dwarf
  • 53. What is a super nova?
A) when 2 planets collide
B) when a star's reactions speed up and it explodes
C) when a star's reactions stop and it explodes
D) when 2 stars collide
E) when a galaxy explodes
  • 54. When a star has little or no fuel left, it is in its ______ stage of life
A) first
B) 10th
C) final
D) middle
  • 55. A star in its final stage becomes a ____
A) blue planet
B) white dwarf
C) none of these
D) red giant
E) yellow dwarf
  • 56. A black hole has so much gravity that ______
A) it explodes into a supernova
B) even light can not get out
C) all of these
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) universe
B) solar system
C) galaxy
D) black hole
E) supernova
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