Intro to Our Universe Quiz
  • 1. The study of our universe is called___
A) astronomy
B) geology
C) astrology
D) geography
E) space
  • 2. Our sun is actually a ________
A) galaxy
B) star
C) supernova
D) planet
E) nova
  • 3. Everything that exists, exists in _________
A) water
B) the universe
C) an atom
D) the sun
E) our cells
  • 4. Which of these is the largest?
A) solar system
B) Earth
C) Sun
D) galaxy
E) Jupiter
  • 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) prediction
D) theory
E) hypothesis
  • 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) True
B) False
  • 8. There are/is _____ Sun(s) in our galaxy
A) three
B) two
C) millions of
D) one
E) 100
  • 9. There are _____ galaxies in our universe
A) 2
B) thousands of
C) 100
D) 7
E) 10
  • 10. Our galaxy is called _____
A) Alpha Centauri
B) a super nova
C) the Solar System
D) none of these
E) the Milky Way
  • 11. To have gravity, an object must have ____
A) mass
B) height
C) volume
D) electricity
E) all of these
  • 12. Your body exerts or has its own gravity.
A) False
B) True
  • 13. Which of these would exert or have the most gravity?
A) an elephant
B) Jupiter
C) a fly
D) Earth
E) you
  • 14. When one object attracts or pulls on another object
A) supernova
B) pressure
C) gravity
D) none of these
E) the universe
  • 15. Gravity makes objects ____ when they are falling
A) all of these
B) slow down
C) speed up
D) move at a constant speed
  • 16. What keeps you on the ground?
A) pressure
B) density
C) gravity
D) volume
E) acceleration
  • 17. Gravity keeps our Earth ____
A) from shrinking
B) from growing 1000x larger
C) none of these
D) from exploding
E) in orbit around the Sun
  • 18. If you drop a penny and a baseball they fall ___
A) so that the baseball hits first
B) at the same speed
C) at different speeds
D) so that the penny hits first
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) tornadoes
C) Earth's gravity
D) the Moon's gravity
E) wind
  • 21. A container with no air is called or creates a ___
A) nebula
B) planet
C) supernova
D) vacuum
E) sun
  • 22. E.M. stands for___
A) electromagnetic
B) Earth's mass
C) emit motion
D) electrical movement
E) emergency medical
  • 23. Which of these types of waves are NOT on the EM spectrum?
A) radio waves
B) x-rays
C) ocean waves
D) all of these
E) TV broadcast waves
  • 24. What do scientists use to see the universe's galaxies?
A) microscopes
B) binoculars
C) telescopes
D) all of these
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) light matter
B) a nebula
C) dark matter
D) a supernova
E) a black hole
  • 27. Scientists believe that 90% of matter in the galaxies is ______
A) makes up our sun
B) makes up planets
C) made of oxygen
D) light matter
E) dark matter
  • 28. Objects that heat and light the planets are called____
A) wavelengths
B) suns
C) radiation
D) stars
E) none of these
  • 29. Our Sun is small in comparison to other stars in the universe
A) our Sun is not a star
B) False
C) True
  • 30. Stars are made of _____
A) iron
B) solid
C) plasma
D) liquid
E) metals
  • 31. The "light" given off by stars comes from ___
A) metal reflections
B) fire
C) iron
D) constant nuclear reactions
E) oxygen
  • 32. Stars are usually made of which 2 gases?
A) hydrogen and oxygen
B) helium and nitrogen
C) oxygen and nitrogen
D) iron and oxygen
E) helium and hydrogen
  • 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) liquids
B) light
C) gases
D) supernovas
E) solids
  • 35. A ball of gases that has many nuclear reactions is called_______
A) a galaxy
B) gravity
C) a planet
D) a star
E) mass
  • 36. What color is our Sun?
A) yellow
B) red
C) orange
D) invisible
E) white
  • 37. The color of a star depends on its _________
A) surface temperature
B) gravity
C) gases
D) size only
E) distance from s planet
  • 38. Higher temperatures create a__________star
A) yellow
B) red
C) orange
D) white
E) blue
  • 39. Lower temperatures create a ______ star
A) yellow
B) blue
C) white
D) red
E) orange
  • 40. A star's luminosity means its _______
A) size
B) brightness
C) gas type
D) volume
E) temperature
  • 41. A star's radius means its ________
A) temperature
B) color
C) density
D) size
E) orbit
  • 42. Our Sun has a _____ temperature compared to others in the universe
A) none of these
B) cooler
C) hotter
D) below zero
E) medium
  • 43. Like other organisms, stars have a _________
A) carbon cycle
B) nitrogen cycle
C) life cycle
D) all of these
E) water cycle
  • 44. Stars are born from huge clouds of _____
A) nitrogen
B) hydrogen and water
C) water and dust
D) gas and dust
E) oxygen
  • 45. The "beginning" of a star's life is called a _____
A) gamma ray
B) radiation wave
C) nebula
D) supernova
E) white dwarf
  • 46. A nebula that condenses and gets smaller is called a _____
A) giant nebula
B) galaxy
C) supernova
D) solar sytem
E) protostar
  • 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) explosive
B) less dense
C) a solid
D) all of these
E) more 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) white dwarf
C) green star
D) supernova
E) blue star
  • 51. As a star cools it starts to ____
A) grow
B) shrink
C) disappear
D) all of these
  • 52. As a star begins to die, it becomes a _________
A) yellow giant
B) red giant
C) blue dwarf
D) red dwarf
E) white 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 2 stars collide
D) when a star's reactions stop and it explodes
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) final
C) 10th
D) middle
  • 55. A star in its final stage becomes a ____
A) yellow dwarf
B) none of these
C) red giant
D) white dwarf
E) blue planet
  • 56. A black hole has so much gravity that ______
A) even light can not get out
B) all of these
C) light can escape easily
D) it explodes into a supernova
  • 57. No object can escape the gravity of a black hole.
A) False
B) True
  • 58. A huge amount of mass in a very small space produces a ___
A) black hole
B) galaxy
C) supernova
D) solar system
E) universe
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