Friday, March 13, 2009

SCIENCE AND HEALTH 6: III (Part 30-50)

31. What constellation was named after a Greek hunter?
a. Ursa Moinoe
b. Cassiopeia
c. Orion
d. Ursa Major

32. Next to the sun, which star is nearest to the earth?
a. Proxima Centauri
b. Betelgeuse
c. Sirius
d. Polaris

33. Who was the astronomer who used the “telescope”?
a. Galileo
b. Newton
c. Neil Armstrong
d. Edwin Aldrin Jr.

34. Which instrument help scientists analyze the chemical composition of stars?
a. telescope
b. spectroscope
c. anemometer
d. microscope


35. Why should we not immediately believe in a theory such as the origin of the universe?
a. a theory is always wrong
b. a theory is an explanation which may or not be correct
c. a theory is only a work of imagination
d. a theory cannot be explained

36. Why can Planet Earth support life as we know it?
a. It has an atmosphere
b. It has soil where green plants grow
c. It has enough sunlight
d. ALL OF THE ABOVE

37. Which of these is used in a radio telescope?
a. antenna
b. convex lens
c. concave lens
d. mirror

38. The distance of the stars are measured in __________?
a. meter
b. calendar year
c. miles
d. light year

39. An unmanned spacecraft that studies the moons and planets are called _________?
a. probe
b. scientific satellite
c. geodetic satellite
d. communication satellite

40. It indicates the color of old star.
a. yellow
b. blush whote
c. red
d. orange

41. The speed of the Earth’s revolution is ____________?
A. 365 days
b. 365 ¼ days
c. 356 ¼ days
d. 356 days

42. What makes up a galaxy?
a. dust
b. cloud and dust
c. dust, gases and stars
d. star only


43. The brightness of a star depends on its _______________?
a. altitude
b. temperature
c. size
d. both a and b

44. What are the factors that greatly affect the climate?
a. land masses and location
b. big bodies of water and location
c. big bodies of water and land masses
d. land masses and amount oft cloudiness

45. Which of the following is a weather disturbance?
a. earthquake
b. cyclone
c. seasons
d. tide

46. Which of these wind system brings heavy strong winds to the western side of the country?
a. trade winds
b. northeast monsoon
c. southeast monsoon
d. northwest monsoon

47. Where do most of the typhoons in our country originates?
a. Arctic Oean
b. Indian Ocean
c. Pacific Ocean
d. Celebes Sea

48. How does the coolest star appear?
a. Yellowish
b. Reddish
c. Bluish
d. Whitish

49. What is a Zodiac?
a. 12 constellations around the solar system.
b. 12 constellations that serve as background of the sun.
c. Biggest constellation in the sky;
d. Smallest constellations in the sky.

50. Why do stars seem to twinkle
a. They have higher spectrum.
b. they are made of hot gases.
c. There are atmospheric dusts in space.
d. They have different colors.

No comments:

Post a Comment