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