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 (21-30)

21. What is the fatty food substance that hardens or clogs the arteries?
a. margarine
b. cholesterol
c. digested food
d. protein


22. Which of the following statement is NOT true?
a. Stars can be used in finding directions.
b. Stars can be used in predicting weather.
c. Stars can be used in telling distance between planets?
e. stars ca be used in telling time.

23. Which is an example of chemically biodegradable plastic.
a. plastic chair
b. plastic cover
c. plastic capsule
d. plastic bag

24. Why does tsunami occur?
a. it is caused by an earthquake in a plain.
b. It is caused by big typhoon in the land.
c. It is caused by an earthquake under the sea.
d. Both A and C

25. The presence of enlarged lymph node indicates ______________.
a. an infection
b. a recovery from an infection
c. you are in good shape
d. you are very sick

26. An additive that gives red color to meat products.
a. sodium nitrates
b. sodium chloride
c. sodium glutamate
d. citric acid

27. The ability of some animals to give off light is called _____________.
a. incandescent lamp
b. luminescence
c. translucent
d. bioluminescence

28. Most carbon monoxide comes from _______________.
a. leather industries
b. automobile exhaust
c. cigarettes
d. incinerator

29. When the driver says his car is traveling at 80 kms/hour, what is he describing?
a. inertia
b. gravitation
c. velocity
d. acceleration

30. A force that keeps us from sliding when we walk. It also prevents the block from moving when force is applied on it?
a. motion
b. force
c. friction
d. pressure

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

Science and Health: Chapter 4 - Test (1-10)

Directions: Read each question carefully. Then pick out the letter of the correct answer and write it on your paper.

1. What is the continuous and circular flow of chemicals or materials between organism and their environment to maintain balance in nature?a. Geophysical cycleb. Biogeochemical cyclec. Geochemical cycle]d. Food cyclee.

2.A coral reef, a forest and pond systems are examples of _______________.f. ecological nicheg. populationh. food chain]i. Ecosystemj.

3. Which of the following government program is way of coping excessive population growth? a. Reforestation Program b. Infrastructure Program c. Family Planning Program 4. Educational Program

4. Which of the following is a solution? a. cup of coffee with milk b. salt and sand c. sugar d. gravel and sand

5. A book on the table possesses __________ energy/ a. kinetic b. potential c. mechanical d. electrical

6. When you whirl a cup of water in a net in a circular direction perpendicular to the ground, the water remained in the cup even at the top of the circle when the mouth was pointed downwards. What was the force that kept the water in the cup?a. The centrifugal force created was so great that the downward pull of gravity was overcome.b. The centripetal force created was so great that the downward pull of gravity was overcome.c. \the centrifugal force created was so great that the upward push of the gravity overcome.d. None of the above

7. Gasoline is burned to run a motorcycle. The energy conversion is from ________ energy to ___________ energy to ____________ energy.
a. heat;mechanical;chemicalb. heat;chemical;mechanicalc. chemical;mechanical;heatd. chemical;heat;mechanicale.

8. When you broil meat, the heat is transferred by means of radiation. When you fry, the heat travels from the stove to the frying pan by ______________. a. convection b. conduction c. radiation d. none of the above

9. The high temperature of the earth’s interior is evident because of the heat_________. a. felt during the day b. coming from volcanoes c. coming from hot springs d. both b and c

10. An instrument used by navigators to find latitude of the earth. a. spectroscope b. compass c. sextant d. telescope

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.

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