Science and Health: Chapter 4 - Test (31-40)

31. The theory about origin of the universe which states that the universe began with a tremendous explosion.
a. Steady State Theory
b. Divine Theory
c. Theory of Ecolution
d. Big Bang Theory

32. What Presidential Decree that requires all couples planning to marry to receive counseling on family planning?
a. P.D. 695
b. P.D. 965
c. P.D. 995
d. P.D. 569

33. What do you call the winds at the equator that hardly move at all and are usually hot?
a. doldrums
b. horse latitudes
c. wind system
d. polar easterlilies

34. Why is heat important?
a. It checks the flow of blood.
b. It stops the flow of blood
c. It makes the blood move throughout the body.
d. It occupies the chest cavity.

35. Why are thinner and turpentine added to paints?
a. To make paints easy to spread on surfaces.
b. To give color to paints.
c. To remove molds in paints.
d. To hold pigment particles together.

36. Why are clams and mussels banned from consumption when red tide occurs?
a. Because they have no nutritional value.
b. because they multiply very fast.
c. Because they can cause paralysis or death when eaten.
d. Both A and C

37. What is the magnitude of an earthquake that causes much damage of the land?
a. magniture 6
b. magnitude 7
c. magnitude 8
d. magnitude 9 and over

38. In which galaxy is the solar system found?
a. andromeda galaxy
b. milky way
c. large Magellan cloud
d. small Magellan cloud

39. When soil is washed away by floods or rainwater, this process is called ______.
a. water shortage
b. cultivation
c. reforestation
d. erosion

40. Aerosols pollute the air and destroy ozone layer by releasing ___________.
a. smoke
b. oxygen
c. dust
d. chlorofluorocarbons

Science and Health: Chapter 4 - Test (11-20)

11. Why does the climate differ in the different parts of the Philippines?

a. This is due to the hot weather in the Philippines. b. Because the Philippines is in the tropics. c. Because of the different latitudes, the bodies of water around it and the special winds that pass through it. d. This is due to the hot and cold weather in the Philippines.

12., \why do some stars appear brighter than the others?

f. Bright stars are the big ones .g. Bright stars are those that are big as the sun. h. Bright stars give off more light or are nearest toe the earth than the others.. i. None of the above

13. Which of the following statements will illustrate how big the universe is?

a. The universe is composed of ten planets. b. If you are in space looking for our sun, it would just like be looking for particular grain of san from all the particles of sand on earth. c. The universe is like a group of white clouds. d. The universe is composed of two galaxies.

14. Why is vaccination important?

a. It stimulates the immune system to produce antibodies. b. It kills the harmful organism in the body. c. It stimulates the production of lymph nodes. d. It enables the immune system to recognize all kinds of diseases.

15. A substance that cannot be broken down into simplest form is called an element.

a. water b. iron c. sugar d. carbon

16. Which of the following tells about the magnitude of an earthquake?

a. amount of energy released b. duration of shaking c. distance from epicenter d. depth of focus

17. What alloy is formed when iron and brass is combined?

a. brass b. aluminum c. steel d. copper

18. What kind of season has the most leaves falling from trees?

a. summer b. spring c. winter d. autumn

19. Which government agency monitors and issues warnings on volcanic activites?

a. PAGASA b. BFM c. DFA d. PHIVOLCS

20. How will you describes the heart?

a. It is an inflexible organ b. It is a hollow muscular organ. c. It works like a pump. d. both b and c

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Related words used:

• Science
• Health
• Human body
• Matter
• Space
• Organism