Reviewer


Multiple Choices.  Write the letter that corresponds to the correct answer on the space before each number.

1.) The place where slippage first occurs is called the earthquake's...
a.      Focus                                             c. magnitude
b.     Epicenter                                        d. intensity

2.) Which of the following best describes aftershocks?
a.      a series of small tremors occurring after a major earthquake
b.     seismic waves that cannot travel through liquids
c.      areas along a fault where slippage and fracturing first occur
d.     giant ocean waves that originate at a fault zone


3.) Which of the following describes Philippine Storm Warning Signal No. 1?
                   a. Winds of 30-60 kph may be expected in at least 36 hours or intermittent 
                        rains maybe expected within 36 hours.
b. Winds of greater than 60 kph and up to 100 kph may be expected in at
   least 24 hours. 
c. Winds of greater than 100 kph up to 185 kph may be expected in at least
    18 hours.
d. Very strong winds of more than 185 kph may be expected in at least 12
    hours.

4.) What sector of the Philippine government observes typhoons via radio satellite?
a.      Joint Typhoon Warning Center        
b.     Philippine Atmospheric, Geophysical and Astronomical Services Administration (PAGASA)                  
c.      Phil. Weather Administration  
d.     None of the above

5.) Winds of greater than 60 kph and up to 100 kph may be expected in at least 24 hours.
                   a. PSWS # 1           b. PSWS # 2           c. PSWS # 3           d. PSWS # 4

6.) Very strong winds of more than 185 kph may be expected in at least 12 hours.
                   a. PSWS # 1           b. PSWS # 2           c. PSWS # 3           d. PSWS # 4

7.) The Creation theory in the Bible can be found in __
a.      Genesis                                          c. Exodus
b.     Revelation                                      d. Leviticus

8.) In the beginning, God created the heavens and the earth. How many days did it take to

     complete His creation?

                   a. 40 days              b. 1 day                 c. 6 days                d. 7 days

 

9.) The following statements explain the Big Bang Theory except
a.      All matters in the galaxies were once packed into one big ball.
b.     The stars moved so far that they could not be seen anymore.
c.      The universe expanded and would soon expand again.
d.     The stars came from the materials that exploded and thrown outward and moved
                         farther away from each other.

10.) Large Sections of Earth’s Lithosphere that are separated by deep fault zones.
a.      mantle                                           c. plates
b.     core                                               d. asthenosphere

11.) Which of the following planets is always closer to the Sun than it is to Earth?
a.      Jupiter                                           c. Saturn
b.     Mercury                                          d. Neptune

12.) Which of the following characteristics is most similar among the planets of the Solar
                  System?
a.      mass                                              c. chemical composition
b.     shape of orbit                                 d. number of satellites

13.) Which of the following is the hottest layer of the Earth?
a.      crust                                              c. inner core
b.     mantle                                           d. outer core

14.) The Sun is one of the stars.  Which characteristic is TRUE about it?
a.      It is the only yellow star.
b.     It is the hottest among all stars.
c.      It is the biggest among all stars.
d.     It is the nearest to Earth among all stars.
  
15.) Which are the distinct characteristics of Earth?
                   I. Almost round.
                   II. Goes around the sun
                   III. Atmosphere supports life
                   IV. Presence of water

a.      I and II                                          c. II and IV
b.     I and III                                         d. III and IV

16.) Which are gaseous planets?
a.      Venus and Earth                              c. Jupiter and Saturn
b.     Mercury and Mars                            d. Uranus and Neptune

17.) Which is the hottest planet?
a.      Mercury                                          c. Earth
b.     Venus                                            d. Mars

18.) Glenn knows that Earth rotates on its axis.  What evidence indicates Earth is rotating on
                its axis?
a.      There is a day and a night.
b.     There are 365 days in each year.
c.      There are four phases of the moon.
d.     There are different seasons of the year.

19.) We do not feel the movement of the Earth’s crust but in reality it continually moves.  Why
                is the Earth’s crust in constant motion?
a.      It floats on a mantle of liquid rocks that constantly heat and moves.
b.     It is divided into smaller hot plates.
c.      It has big bodies of water like the ocean.
d.     It has a magnetic field?

20.) Which of the following is TRUE to all planets in the solar system?
a.      All can sustain life
b.     All revolve around the sun
c.      All have the same speed.
d.     All have the same atmospheric


21.) The core is made up of ___
a.      hot water                                       c. dense iron and nickel
b.     hot nickel                                       d. molten rocks

22.) The thickest layer of the Earth is ___
a.      the crust                                         c. the outer core
b.     the mantle                                      d. the inner core

23.) This is the layer of the Earth made up of molten rocks and it is the outermost  
                layer of the Earth?
a.      crust                                              c. core
b.     mantle                                           d. inner core

24.) The Lithosphere is made up of the upper mantle and the
a.      crust                                              c. hydrosphere
b.     asthenosphere                                d. core

25.) If the lowest point of the Earth’s crust is The Mariana Trench,  the highest point
                is ___.
a.      Mt. Apo                                          c. Mt. Everest
b.     Mt. Fuji                                          d. Mt. Rushmore

26.) Ma’am Delia poured some juice in a glass of ice.  After some time,
       water droplets appeared outside the glass.  How do droplets of water
       form in the glass?
          a. Droplets are formed when water in the glass spilled.
          b. Droplets are formed when ice melted and the liquid overflowed.
          c. Droplets are formed when water in the glass changes to gaseous molecules.
          d. Droplets are formed when water molecules condense on the outside of the glass.

 

27.) Burning of gasoline in a car requires chemical change.  The carbon dioxide
       formed from this reaction affects the environment.  What environmental
       problem occurs if too much carbon dioxide is present in the atmosphere?
          a. acid rain                                          c. global warming
          b. air pollution                                     d. ozone depletion

 

28.) Which is a physical change?
          a. air pollution                                     c. evaporation of water
          b. ozone depletion                               d. formation of acid rain

 

29.) Which products do not belong to only one category?
          a. paints, varnish, pesticide, vehicle fluids
          b. cereal, ice cream, preserves, condiments
          c. perfume, lotion, toothpaste, cologne, make up
          d. bleach, detergent, liquid soap, shampoo, dishwashing paste


30.) Which of the following does not show the proper way of
       storing materials?
          a. Store food products away from walls and floors.
          b. Use cracked, ripped containers in storing
          c. Keep or store flammable containers away from heated areas.
          d. Store chemicals in cabinets that cannot be reached by children.


1.) One is acting like a scientist when he/she observes the world around
          a. true                    b. false

2.) Everything that exists is called the universe.
          a. true                    b. false

3.) The Earth is the third planet from the sun.
          a. true                    b. false

4.) The part of the Earth where living organisms are found is the biosphere.
          a. true                    b. false

5.) Night and Day is caused by the movement of the earth on its orbit known as rotation
          a. true                    b. false
6.) Only cars, buses, trucks pollutes our air.
          a. true                    b. false

7.) There is nothing we can do to reduce pollution.
          a. true                    b. false

8.) It is better for the environment if we sweep the driveway with a broom
     rather than using a motorized leaf blower.
          a. true                    b. false

9.) Soil that has become polluted is not as dangerous as breathing polluted air.
          a. true                    b. false

10.) Breathing in smog and someone else’s cigarette smoke can be harmful
      because we are breathing air with formaldehyde.      
a. true                    b. false

11.) Brickworks, refineries, cement works, iron and steel smelters have one
       thing in common.  They can all be responsible for releasing particulates
       in the air.
         a. true                    b. false

 

12.) Before the industrial revolution, there was no air pollution.
          a. true                    b. false

13.) When the air is polluted, you can always see and smell it.
          a. true                    b. false

14.) Air pollution is a problem only in big cities.
          a. true                    b. false

15.) Burning leaves or trash at home contributes to air pollution.
          a. true                    b. false

16.) Ozone can be destroyed by a wide variety of man-made chemicals
including halogen containing compounds used as a refrigerators of solvents.
          a. true                    b. false

17.) Without the greenhouse effect, life on Earth as we know it would not be possible.
          a. true                    b. false

18.) The crust is the thickest layer of the Earth.
          a. true                    b. false

19.) When land is polluted water and air will most likely be polluted as well?
          a. true                    b. false         

20.) Which layer of the atmosphere contains the ozone layer?
          a. stratosphere                                      c. troposphere
          b. mesosphere                                      d. exosphere

21.) Ma’am Delia poured some juice in a glass of ice.  After some time,
       water droplets appeared outside the glass.  How do droplets of water
       form in the glass?
          a. Droplets are formed when water in the glass spilled.
          b. Droplets are formed when ice melted and the liquid overflowed.
          c. Droplets are formed when water in the glass changes to gaseous molecules.
          d. Droplets are formed when water molecules condense on the outside of the glass.

22.) Burning of gasoline in a car requires chemical change.  The carbon dioxide
       formed from this reaction affects the environment.  What environmental
       problem occurs if too much carbon dioxide is present in the atmosphere?
          a. acid rain                                           c. global warming
          b. air pollution                              d. ozone depletion

23.) Which is a physical change?
          a. air pollution                              c. evaporation of water
          b. ozone depletion                                  d. formation of acid rain

24.) Which products do not belong to only one category?
          a. paints, varnish, pesticide, vehicle fluids
          b. cereal, ice cream, preserves, condiments
          c. perfume, lotion, toothpaste, cologne, make up
          d. bleach, detergent, liquid soap, shampoo, dishwashing paste

25.) Which of the following does not show the proper way of
       storing materials?
          a. Store food products away from walls and floors.
          b. Use cracked, ripped containers in storing
          c. Keep or store flammable containers away from heated areas.
          d. Store chemicals in cabinets that cannot be reached by children.

26.) An effective way to decrease run-off pollution is to:
          a. dig up all plants, bushes and grasses near your neighbor stream.
          b. plug up all the storm drains on the streets so that nothing can get to the bay.
          c. put concrete on all stream and riverbanks to absorb chemicals before they
dump into the bay
d. put trash in a garbage can, decrease the amount of chemicals my family uses on lawns and farms and plant trees, bushes and plants by streams and rivers.

PAGE 3, NS 1, Prelim 1st Semester
 

27.) Which of the following adds oxygen to the atmosphere?
          a. forest fires                              c. weathering of rocks
          b. Photosynthesis                         d. life process of animals

28.) Which items are recyclable?
          a. Plastic milk jugs                        c. Aluminun soda cans
          b. Cereal boxes                            d. All of the above

29.) Some products we use contain Chloroflourocarbons (CFCs). When they are released
and broken down in the atmosphere, they create holes in the ozone layer. Which of the
following uses CFCs?
          a. coolants in refrigerators and air conditioners
          b. propellants in aerosol sprays
          c. plastic foam blowing agent (like in making Styrofoam)
          d. all of the above.
 

30.) Another form of pollution caused by industries is thermopollution. This occurs when:
a. factories use bay water to cool off their machines and then, in this case the
pollutants is into the bay
b. the steam from a factory’s smoke stacks releases harmful chemicals
c. industries dump toxins into the bay water to get rid of then, in this case the pollutants is phosphor-thermo-oxide.
d. a or b

31.) The layer that makes up most of the Earth’s mass and volume if the __.
          a. core                    b. crust                   c. mantle                          d. magma
 

32.) Which zones of the Earth is made up of liquid iron?
          a. the asthenosphere                              c. the upper mantle
          b. the outer core                                   d. the inner core

33.) What is responsible for holding the atmosphere around the Earth?
          a. winds                  b. sun                     c. gravity                          d. outer space
 

34.) Which of these gases is least abundant in Earth’s atmosphere?                               
          a. oxygen                b. hydrogen             c. carbon dioxide                d. nitrogen
 

35.) The layers of the atmosphere are based on changes in the ….
          a. wind patterns                                     c. amount of oxygen
          b. amount of pollution                    d. temperature
                  
36.) How long does it take for the Moon to revolve once around Earth?
          a. 27.3 hours           b. 27.3 days            c. 24 hours                        d. 365 ¼ days
 

37.) How log does it take for the Earth to complete one revolution?
          a. 27.3 hours           b. 27.3 days            c. 24 hours                        d. 365 ¼ days
 

38.) How long does it take for the Earth to complete one rotation?
          a. 27.3 hours           b. 27.3 days            c. 24 hours                        d. 365 ¼ days

39.) Allie is flying to Iowa to see her grandparents for Thanksgiving. She looked
       out the window and was shocked to see tons of white puffy clouds below her.
       What layer is she in?
         a. stratosphere         b. troposphere          c. mesosphere                   d. exosphere


40.) All water in Earth’s surface is called the –
         a. stratosphere         b. troposphere          c. exosphere                     d. hydrosphere

41.) Defined as any contamination of the atmosphere that disturbs the natural
       composition and chemistry of the air.
          a. water pollution       b. land pollution         c. air pollution  d. pollutants

42.) It water continues to be contaminated what is most likely to be the effect?
          a. increased sediments from soil erosion
          b. improper waste disposal and littering
          c. decreasing the quantity of drinking water available
          d. increase amount of smog



43.) All except one are sources of air contaminants.
       a. vehicles                 b. factories              c. mining                           d. forest fires

44.) It is when something is added to the environment that is poisonous to
       people, animals and other living organisms.
       a. population              b. prostitution           c. pollution                         d. prevention

45.) The 3 R’s stands for:
       a. reuse, reduce, recycle                           c. reduce, replays, recycle
       b. reproduce, reuse, recycle                       d. repent, recast, recycle

46.) Refers to undesirable levels of noise caused by human activity.
       a. air pollution                                          c. land pollution
       b. water pollution                                      d. noise pollution

47.) All except one are solutions to Philippine environmental issue like
      Water and Land pollution.
       a. the use of natural resources in natural limits.
       b. self discipline
       c. implementation of practicing the 3 R’s
       d. unprecedented logging and minimg


48.) All except one is true about the words below:
      
          logging                      mining                        blast fishing                         deforestation

         a. environmental issues that harms the biophysical environment.
       b. issues that need firsthand attention and solution.
       c. alarming problem in the Philippines despite the passage of Republic Acts.
       d. environmental issues that need not to be a concern of every Filipino.


49.) The highest point of the earth’s crust which is 259, 028 ft.
       a. Mt. Everest            b. Mt. Apo               c. Mt. Sinai                        d. Mt. Olympus

50.) The largest and the deepest ocean.
       a. Atlantic Ocean         b. Arctic Ocean         c. Indian Ocean                  d. Pacific Ocean




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