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