SCIENCE AND HEALTH 6: III (Part 15-30)

16. Why do other countries in the temperate zone experience four seasons?
a. because of the earth’s inclination
b. because of the earth’s revolution
c. because of the earth’s rotation
d. both a and b

17. Which season is similar in both hemisphere?
a. autumn
b. spring
c. summer
d. winter

18. What factors contribute to the amount of rainfall in a particular place?receives?
a. location of a place
b. kind of wind passing over it
c. type of people living on it
d. both a and b
19. How is the composition of stars determined?
a. by using a telescope
b. by using a spectroscope
c. by using a parallax
d. both a and b

20. Which is the most important use of radio telescope?
a. It can be used to study objects too far away to be seen with ordinary telescope.
b. It can take photographs of heavenly bodies.
c. It can be used to view a heavenly body over a long period of time.
d. It can be used to find out what chemical elements are present in the planets
and stars.

21. Why is our sun brighter than Sirius?
a. because the sun is closer to us than Sirius.
b. because the sun is bigger than Sirius.
c. because the sun is hotter than Sirius.

22. Which of these stars is farthest from Earth?
a.Sun
b. Sirius
c. Alpha Centauri
d. Promixa Centauri

23. What is constellation?
a. an exploding star
b. a group of stars forming some patterns
c. a huge ball of hot burning gases
d. a long-tailed heavenly body made up of frozen gases

24.which of the following explains why there is day and night?
a. The earth rotates on its axis every 24 hours, causing day and night.
b. The moon rotates around the sun, causing day and night.
c. The earth revolves around the sun every 24 hours, causing day and night
d. The moon revolves around the sun, causing day and night

25. If a man would walk for three hours on an open area during a sunny day at high noon and without a hat or umbrella, what will likely happen to him?
a. He will chill and will feel body pain.
b. His eyes will be swollen and will be irritated.
c. He will catch cold, will have fever, then a flu.
d. He will perspire a lot and will get a sunburn.

26. The first man to land on the moon carried by Apollo 11 which took off on July 20, 1969.
a. Edwin Aldrin Jr
b. Neil Armstrong
c. Michael Collins
d. Vostok I

27. The first Russian cosmonaut, the first man in space aboard Vostok I
a. Scott Carpenter
b. Yuri Gagasin
c. Sputnik II
d. Sputnik I

28. What type of galaxy is the Milky Way?
a. Regular
b. Irregular
c. Elliptical
d. Spiral

29. What do you call a scientist who studies about stars?
a. Geologist
b. Paleontologist
c. Astronomers
d. Agronomist

30. What is an observatory?
a. a building that houses a big telescope
b. a laboratory in space
c.. a house for scientist
d. a camera that takes pictures of stars