About Space Science

Following are some of the multiple choice questions on the Space Science with answers that will help the students in developing their knowledge.

Space Science MCQ

1. The hottest color star is

  • Blue
  • White
  • Yellow
  • Red

2. Heat energy from the Earth

  • biofuel
  • hydroelectric
  • wind
  • geothermal

3. The apparent brightness of a star

  • varies with the position from which it is viewed.
  • can be calculated from its absolute brightness and mass.
  • is greater as distance from the sun increases.
  • is a measure of its light viewed from any position.

4. Does the moon rotate or revolve around Earth?

  • Rotate
  • Revolve

5. Which star is the nearest to our Earth

  • Polaris
  • Rasalhague
  • Arcturus
  • Sun

6. Why does the Earth seem flat for us?

  • there are different Earths
  • The earth is round, but we only see a small part that seems flat. 
  • Earth is round like a plate, so it seems round when you are over it and flat when you are on it
  • Earth is round like a ball, but people live on the flat part in the middle..

7. What number planet from the sun is Earth?

  • 1
  • 2
  • 3
  • 8

8. Why don't people on the South Pole fall off Earth?

  • Sticky Shoes
  • Good Grip
  • They are frozen to Earth
  • Gravity

9. How does Earth have day or night?

  • Magic
  • The earth's rotation around it's axis, causing one side to face the sun, and the other to face away.
  • By the moon creating night and the sun creating day.

10. Which of the following is NOT a characteristic of both the moon and Earth?

  • gravity
  • rocks
  • craters
  • oceans

11. Earth's rotation causes all of the following EXCEPT

  • day and night
  • apparent movement of the sun across the sky
  • changing shadows
  • weather

12. Which of these appears in Earth's atmosphere?

  • a moon
  • a meteor
  • an asteroid
  • a comet

13. Why would you weigh more on Jupiter than you do on Earth?

  • Jupiter has more mass and more gravitational pull
  • Jupiter has less mass and less gravitational pull
  • You would not weigh more on Jupiter
  • Jupiter has more mass and less gravitational pull

14. What protects life on Earth from harmful ultra violet rays?

  • Earth's distance from the Sun
  • Earth's tilt
  • Moon's gravity
  • Ozone layer

15. Life on Earth would not be possible without which of the following?

  • A moon & liquid water
  • A moon and Earth's location
  • Ozone and a moon
  • Water & Earth's location from the Sun

16. Because the Earth is 93 million mies from the Sun, the light from this star takes_____ to reach us.

  • 8 hours
  • 1 hour
  • 8 minutes

17. What does Earth ROTATE (spin) around?

  • Sun
  • Moon
  • It's Axis
  • Other Planets

18. True or False: One day on Earth is caused by one ROTATION around the Earth's Axis.

  • True
  • False

19. True or False: One day on Earth is caused by one REVOLUTION around the sun.

  • True
  • False

20. True or False:The North Star is called POLARIS?

  • T
  • F

21. An apparent shift in the position of an object when viewed from different locations.

  • Parallax
  • Perihelion
  • Solar Nebula
  • Prominence

22. An explosive release of energy that comes from the sun and that is associated with magnetic disturbances on the sun's surfaces.

  • Parallax
  • Solar Flare
  • Perihelion
  • Solar Nebula

23. Select the correct spelling:-

  • parallax
  • parallex
  • parrallax
  • parrallex

24. A light year is...

  • The speed light travels
  • How long it takes light to get to you from the sun
  • The distance light can travel in a year
  • How many years it takes light to be emitted

25. True or False:Star patterns are called constellations.

  • T
  • F

26. This is what our sun will become at the end of its life cycle.

  • red dwarf
  • white dwarf
  • blue supergiant
  • black hole

27. The smaller the planet or moon, the less gravity it will have.

  • true
  • false

28. Which season has the shortest days (least amount of daylight)?

  • summer
  • spring
  • fall
  • winter

29. It takes the moon about a _____ to revolve around the Earth

  • day
  • month
  • year
  • minute

30. Shadows in the morning will be longer than at noon.

  • True
  • False

31. The Sun appears to move across the sky because...

  • The sun is spinning around the Earth
  • The moon is spinning around the Earth
  • The Earth is rotating (spinning)

32. Half of the moon and Earth are always...

  • hot and cold
  • dry and sunny
  • Lit and Dark

33. The Earth spins around its own axis once every ____ hours

  • 22
  • 24
  • 365
  • 18

34. Astronomers can often identify a binary system that includes only one visible star by observing the effects of the dim star’s _________ on its brighter companion.

  • brightness
  • gravity
  • density
  • composition

35. If the Southern Hemisphere is experience winter, the Northern Hemisphere is experiencing....

  • winter
  • summer
  • fall
  • spring

36. Brighter stars are hotter, larger, and closer to Earth

  • True
  • False

37. If I drop a jug of water and a pencil at the same time, which would hit first?

  • pencil
  • water jug
  • same time

38. How long does earth's rotation last?

  • 90 hours
  • about 1 hour
  • 24 hours
  • 48 hours

39. Our star is a

  • yellow/ large star
  • yellow/ small star
  • yellow/ medium star

40. The color of the star tells us its

  • composition
  • Temperature
  • Luminosity 
  • Mass

41. What is the main element in a stars composition?

  • Hydrogen 
  • Helium 
  • Lithium 
  • Heavy Elements 

42. True of False: A solar eclipse is when the moon passes between Earth and Sun, causing part of Earth to not see the sun's light. The order would be: Sun- Moon - Earth.

  • True
  • False

43. True of False: A lunar eclipse is when the moon passes into Earth's shadow, causing the light to not hit the moon. The order would be: Sun - Earth - Moon.

  • True
  • False

44. If scientists discovered a large, round object revolving around a star, that object would be considered a

  • moon
  • planet
  • star
  • solar system

45. The Earth's _______ is an imaginary line that goes from the North Pole to the South Pole.

  • vernal equinox
  • axis
  • solar eclipse
  • solar flare

46. What planets are the inner planets?

  • Earth, Mars, Mercury, Venus
  • Jupiter, Earth, Mars, Venus
  • Jupiter, Saturn, Uranus, Neptune
  • Earth, Mars, Neptune, Pluto

47. What is the next phase for our sun in its life cycle?

  • supernova
  • red giant
  • white dwarf
  • neutron star

48. What type of star will die the fastest

  • Medium Mass
  • Low Mass
  • High Mass 

49. What is the term used for a cloud of gas and dust?

  • gas giant
  • solar dust
  • solar cloud
  • nebula

50. The only objects in our Universe that produces and emits its own light is

  • Nebulas
  • Comets
  • Planets
  • Stars

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