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 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

SCIENCE AND HEALTH: Test Questions Part 2

Direction: Read each sentence carefully and write the letter of the correct answer.

1. The speed of the earth’s revolution is __________.
a. 356 days b. 365 ¼ days c. 356 ¼ days d. 365 days

2. Which of the following best describes the velocity of a moving object?
a. 60 km/hour b. 60 km/seconds c. 60 km/hour going north d. none of the above

3. Which of the following is not necessary when you want to know the speed of the moving object?
a. the force applied to move the object c. the time it took the object to travel
b. the distance traveled by the object d. both a and b

4. What force an object follow a curved path where in a circular motion?
a. centripetal force c. centrifugal force
b. gravitational force ` d. unbalanced force

5. When can you say that the object is in motion?
a. when it has changed its position from a reference point
b. when it has changed its size and texture
c. when it has changed its size and color
d. when it has magnetized
6. What law of motion is illustrated when one rides in a moving vehicle then the driver steps on the brake pedal and the passengers tend to move forward?
a. law of Inertia c. law of Acceleration
b. Law of Momentum d. law of Interaction

7. When can you say that the object has moved?
a. when its distance from reference point has changed
b. when the direction of an object from reference point has changed
c. when it has changed its position in relation to a reference point
d. all of the above

8. Which of the following will prove that running water has force?
a. objects are destroyed by water c. objects are carried away by water
b. objects that sink in water d. none of the above

9. Where can you find friction?
a. over a smooth surface c. over a rough surface
b. over a soapy surface d. over a slippery surface

10. Which of these can change the direction of an object?
a. position b. distance c. reference point d. all of these

11. When do we exert the least force? When we use __________.
a. two wheels b. one wheel c. four wheels d. no wheels

12. How does gravity move things?
a. by pushing them upward c. by moving them left and right
b. by pulling them toward the ground d. by tossing them up and down

13. Which home appliances demonstrated centripetal force?
a. gas stove b. washing machine c. television set d. radio

14. Which of the following examples shows speed?
a. 10 km. b. 10 seconds c. 10 km/second d. 10 km/second-north

15. A truck traveled 240 km in 6 hours. What was its average speed?
a. 70 kph b. 60 kph c. 50 kph d. 40 kph

16. Which of the following can force do?
a. start motion b. change direction of motion c. stop motion d. all of these

17. A big truck and a jeepney are both traveling at a speed of 60 kph. Which would be easier to stop and why?
a. The jeepney, because it has only four wheels.
b. The truck, because it has more and bigger wheels.

c. The jeepney, because it has less mass.
d. The truck, because the gravity helps to stop

18. Why does a car travel faster when going down a mountain than when going up?
a. it is moving toward gravity c. it is moving against gravity
b. it is being pushed by the wind d. it is being pulled by the wind

19. An instrument used to measure or record tremors of an earthquake.
a. thermometer b. barometer c. seismograph d. hygrometer

20. Why is it easier to go down the stairs than to go up the stairs?
a. your body is heavy c. because of friction
b. your body is exerting more force d. because of force of gravity

21. Which is the best thing to do in case of an earthquake?
a. stay inside the building c. stay under a tree
b. stay in an open field or space d. run home as fast as you can

22. Which government agency monitors and issue warnings on volcanic eruptions?
a. PAGASA b. DENR c. BFM d. PHIVOLCS

23. A volcano that has erupted within recent history but may erupt again is said to be _____
a. active b. extinct c. in active d. quiet

24. The _______ scale measures the degree of shaking of the earth using the intensity.
a. Rossi-Forrel scale c. weighing
b. Richer Magnitude scale d. Modified and Mercalli

25. Which is true about volcanic eruption?
a. most of the gas that goes out to the volcano is carbon dioxide,
b. When heavy rain accompanies an eruption, a mudflow may occur.
c. magma is pushed from the earth’s interior to the surface because of a building of temperature in the mantle.
d. none of the above

26. Earthquakes has three qualification excluding ___________?
a. volcanic earthquakes c. gravitational earthquakes
b. landslips d. tectonic earthquakes

27. What do you call that whirling movement of the wind in the counter clockwise direction, sometimes at the rate of 300 miles per hour. It is the most dangerous of all the wind.
a. tsunami b. monsoon c. cyclone d. tornado

28. _______ does not belong to the group of high lands on earth.
a. mountain b. volcanoes c. plateaus d. valleys

29. Which of the following example shows speed?
a. 10 km b. 10 seconds c. 10 km/second d. 10 km/second north

30. Most earthquakes and volcanic eruptions occur in the ___________.
a. Pacific Ring of Fire c. North America Plate
b. Eurasean-Melanesian Belt d. Arctic

31. Why is the wind cold when the Philippines experiences Northeast monsoon from November to February?
a. because air rises
b. because winds come from a place where it is winter
c. because winds come from equator
d. because winds come from ocean

32. We experience different seasons in a year because ____________.
a. of the rotation of the earth
b. the earth revolves around the sun
c. of the different pressures in the atmospheres
d. it follows an orbit as it rotates

33. What causes seasons?
a. revolution of the sun c. revolution of the earth
b. revolution of the moon d. revolution of the clouds

34. To be safe during typhoon, one should ____________.
a. stay inside the house c. stand near the electric post
b. seek shelter under the tree d. run outside the house

35. How does unequal heating of land and water affect the air around us?
a. cloud formation c. air movement
b. good weather d. the air become humid

36. Which of the following weather condition could be observed without using weather instrument?
a. wind speed b. cloudiness c. temperature d. air pressure

37. During daytime the wind blows from _____________.
a. the sea to the land c. the land to the sea
b. the sea to the sea d. the land to the mountain

38. if you are lost in the middle of the ocean, the best thing to use to find your direction is the __________.
a. gun b. compass c. mirror d. binocular

39. The outermost layer of the earth.
a. core b. clouds c. crust d. mantle
40. What is the meaning of fair weather?
a. A few clouds are present but there will be no rain
b. These will be heavy rain and strong winds.
c. Clouds are present and may produce rain.
d. It will rain during the day.

41. The ocean the largest body of water on earth covers almost ______ of its surface.
a. 11% b. 17% c. 71% d. 77%

42. It is the hottest layer of the earth.
a. crust b. core c. mantle d. crustal plate

43. What can change the features of land?
a. rain b. thunder c. earthquake d. lightning

44. Which of the following best describes a landslide?
a. loose rocks falling over a mountain
b. giant waves in the ocean
c. some parts of the ground open up
d. both a and b

45. What is the effect of the southwest monsoon in the Philippines?
a. cold wind but little rain c. warm wind and dry season
b. warm wind and thunderstorms d. heavy rains and typhoons

46. When a tsunami occurs, which of the following places may be affected?
a. plateau b. valley c. mountain d. coastal area

47. What is the main cause of weather changes?
a. water cycle c. the earth’s ocean
b. the movement of air d. unequal heating of the earth’s surface

48. Which of the following natural phenomena takes the longest period of time?
a. weather b. climate c. monsoon d season

49. Why does the earth’s crust move?
a. The earth’s crust is divided into parts, which are separated by water.
b. The water part of the earth is bigger than the land part.
c. It lies on the liquid part of the mantle, which is always in motion.
d. It lies just above the earth’s core, which is very hot.

50. Why there is magma in the interior of the earth?
a. The interior of the earth is cool, so racks harden.
b. The interior of the earth is too hot, so rocks melt.
c. There are different kinds of rocks in the interior of the earth.
d. The presence of the earth melts the rocks.

SCIENCE AND HEALTH: Test Questions 5

V. Match Column A with Column B.

A B
1. Generator a. Energy produced by all kinds of machines

2. Geothermal energy b. Energy in motion
A B
3. Kinetic energy c. A compound of iron and oxygen

4. Rust d. Energy stored in matter

5. Photosynthesis e. Good conductors of heat

6. Chemical Energy f. Highness or lowness of a tons

7. Metals g. A process which transforms radiant energy from the sun to chemical energy

8. Mechanical Energy h. Device that transforms mechanical energy to
Electrical energy

9. Pitch i. Heat transferred from the earth’s molten core to underground deposits of water lying near the earth’s surface

10. Composting j. A process of turning biodegradable materials into odorless and safe organic fertilizer

SCIENCE AND HEALTH: Test Questions 4

IV. Explain the following (2 points each number)

1. In what ways are music and noise similar? How do they differ?
2. What is the ECHO, how it is produced?
3. How is static electricity different from current electricity?
4. Why is it that our shadows are different in the morning, noontime and afternoon?
5. Why is energy important to all living things?

SCIENCE AND HEALTH: Test Questions 3

III. Enumerate
Three (3) methods of heat transfer.
4. ______________________
5. ______________________
6. ______________________

Two (2) kinds of mirrors according to the shape of their surfaces.
7. ______________________
8. ______________________

Two (2) classification of waste.
9. ______________________
10. ______________________

SCIENCE AND HEALTH: Test Questions 2

II. Identify the following:

1. ______________ is the bending of light as it passes one medium to another.
2. ______________ are the materials used in auditorium and movie houses to absorb unwanted noise.
3. ______________ a substance made up of two or more chemically joined elements.
4. ______________ is a reduction or elimination of unnecessary energy used and wasted.
5. ______________ is anything that occupies space and has weight.
6. ______________ is a reflected sound wave.
7. ______________ a change in matter that occurs without a change in composition.
8. ______________ is the bouncing back of light rays.
9. ______________ is the ability to do work.
10. ______________ is the smallest particle of a substance.

Enumerate and describe each.

Give three (3) states of matter.
1. _______________________
2. _______________________
3. _______________________

SCIENCE AND HEALTH: Test Questions

Pick out the letter of the correct answer.

1. Which shows that energy is being transformed?
a. A candle resting on a table c. Water in a closed dam
b. A swinging pendulum d. A ream of pare inside a box

2. What energy transformation occurs in a geothermal energy?
a. Heat to electrical energy c. Heat to light energy
b. Chemical to heat energy d. chemical to mechanical energy

3. A gas that serves as the protective layer fro the incoming radiation from the sun. a. ozone b. atmosphere c. hydrogen d. oxygen

4. When you rub a plastic comb against your hair, _______ is produced.
a. neutron c. static electricity
b. electrical charge d. current electricity

5. Which is not a property of matter?
a. Density b. Brittleness c. Volume d. Frequency

6. Energy do to the objects’ motion is called ______________.
a. solar energy b. potential energy c. kinetic energy d. chemical energy

7. What electrical connection will continue to work even if you take away one bulb? A. parallel b. close c. series d. open

8. What chemical is added to steel in order to produce stainless steel?
a. magnesium b. boric c. chromium d. aluminum

9. A substance which cannot be broken down by ordinary chemical means.
a. mixture b, solution c. element d. compound

10. When one uses exhaust fan, what kind of energy transfer is being demonstrated?
a. conduction b. nuclear c. radiation d. convection

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Related words used:

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