Science and Health: Chapter 4 - Test (41-50)

41. During the months of July to September, we experience heavy rains. This statement describes our _____________.

a. weather
b. climate
c. summer
d. geographic location

42. Short dry season occurs in areas which are protected from the northeast monsoon but open to the Southeast Monsoon. An example of this area is ____________.

a. Samar
b. Quezon
c. Cagayan Valley
d. Batangas

43. When peopletake corals out of the sea, they ____________.

a. Help clean the sea.
b. destroy the shelter of small fishes]
c. pollute the sea
d. protect the fishes

44. Which of the following shows the beneficial effect of common materials used at home?

a. Soap and detergents create foams in rivers and streams.
b. Pesticides kill even non-target species or organisms.
c. Preservatives help prevent foods from decaying or decomposing.
d. Food additives, including preservatives, cause health problems.

45. In which of the following cases is work in the scientific sense being done?

a. a girl doing her homework
b. a girl sitting inside a car
c. a boy holding a book
d. a stone rolling downhill

46. Which of these causes the seasons of the earth?

a. The distance of the earth as it revolves around the sun.
b. The clockwise revolution of the earth around the sun.
c. The counterclockwise revolution of the earth around the sun.
d. The earth’s revolution and the tilting of its axis away or towards the sun.

47. Which of the following statement is true.

a. Energy can be created.
b. Energy can be destroyed.
c. Energy can be transformed to another form.
d. Energy can increase in amount.

48. Which is a product of respiration?

a. Oxygen
b. carbon dioxide and water
c. nitrogen
d. both a and b

49. \this is the largest part of the brain and controls mental processes such as thinking, memorizing and decision making.

a. spinal cord
b. cerebrum’
c. cerebellum
d. medulla oblongata

50. It is the chemical reaction of food caused by the action of yeasts and bacteria on food?

a. combustion
b. mixture
c. combination
d. fermentation

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

Urinary system and its major parts

I. Objective:
Identify the urinary system and its major parts.

II. Subject Matter:
Science Ideas:
-The urinary system is made up of organs that rid the blood wastes and control the blood volume by removing excess water produced by the cells.
-The kidneys are the major organs of the urinary system.
-The urine is a waste liquid which contains excess water, salts and other wastes.
Science Processes: Observing, Inferring
Materials: Excretion, Urinary system

III. Suggested Activities:
A. Motivation
Relate drinking water and urinating
B. Presentation
1. Do the Find out Activity
-Identifying the Urinary system and its major parts.
-Identifying the parts of the kidneys
2. Identify the Urinary system and its major parts.
3. Discuss the function of each part.
4. Trace the liquid waste product called urea carried in the urine from the kidneys to the bladder by way of the ureter.
C. Generalization
Asks these questions:
-What is the urinary system?
-What are the major parts of the urinary system?
-Explain the function of each part.
D. Application:
Ask this question:
a. Is it health wise to drink one’s urine? Why or Why not?
E. Valuing
React to the open minded questions on I Value These.

F. Evaluation
Do the Try Yourself Activity.
G. Extension
Answer the Find out More Activity.

Related post about this topic:

• How urine is formed and eliminated from the body

How urine is formed and eliminated from the body?

I. Objective
1. Describe how urine is formed and eliminated from the body.

II. Subject Matter
Science Ideas:
-The urinary system cleanses the blood of wastes.
-Each kidney is made up pf about 1 million nephrons. The nephrons are the tiny filtering unit of the kidney
Science Processes: Observing, Inferring
Materials: Pictures/ Illustrations of the urinary system, kidney, nephron.
New words: Filtration, reabsorption

III. Suggested Activities
A. Motivation
Explain how the process of cleansing takes place inside the bodies.
B. Presentation
1. Do the find out activity.
-Describing how urine is formed and eliminated from the body
2. Explain how kidneys cleanse the body of wastes and how urine is formed.
3. Explain the importance of cleansing the body wastes.
4. Generalization
Ask these questions:
1. How do the kidneys cleanse the body of wastes?
2. Why is cleansing the body wastes necessary?
C. Application
-Explain the principles involved in the operation of dialysis.
D. Valuing
React to the open-minded questions on I Value These.
E. Evaluation
Do the Try Yourself Activity
F. Extension
Answer the Find out More Activity

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Related words used:

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