FIRST QUARTER EXAMINATION IN SCIENCE 10

Name: _____________________________________ Date: __________________

Grade & Section: ____________________________ Score: _________________
General Rules:
 Strictly NO ERASURES AND ALTERATION OF ANSWERS and USE BLACK INK PEN
 Huwag masyadong malapit sa kaklase. Siguraduhin mong may space kayo ng katabi mo kagaya
ng hiningi ng ex mo.
 Huwag agad maniwala sa katabi, baka mauto ka ulit tulad ng ginawa ng ex mo sa’yo noon.
 Huwag OA review your answers. Hintayin matapos ang oras, total sanay ka naman maghintay.
 Hindi kailangang matalino para pumasa sa subject na ito. Gawin mo lang itong priority bagay na
hindi nagawa ng ex mo sa’yo.
 Pag-isipang Mabuti ang tamang sagot, baka magkamali ka tulad ng relasyon nyong napakalaking
pagkakamali.
 Takpan Mabuti ang sagot, mahirap na nasa iyo na baka maagaw pa ng iba.
 Smile. Hindi ka naman bibitayin, pwede ka nga lang hindi pumasa.
 Write your answer before the number.

I. MULTIPLE CHOICE
Direction: Choose the letter of the correct answer and write it on the space provided before
the number.
___1. What is the outermost layer of the Earth?
A. crust B. inner core C. mantle D. outer core
___2. The crust and upper mantle make up Earth’s __________.
A. asthenosphere B. continents C. core D. lithosphere
___3. Which statement about the Earth’s crusts is CORRECT?
A. Continental and oceanic crusts have the same weight.
B. Continental crust is heavier than oceanic crust.
C. Continental crust is thicker than oceanic crust.
D. Oceanic crust is thicker than continental crust.
___4. What do we call the continuously moving part of the earth’s crust?
A. fault B. fissure C. fracture D. plate
___5. Which theory states that the entire crust is broken and is continuously moving?
A. Continental Drift C. Seafloor Spreading
B. Plate Tectonics D. Titanic Theory
___6. Which of the following is NOT a result of Plate Tectonics?
A. earthquake B. fault lines C. landslides D. mountains
___7. This earthquake type happens when the shifting of Earth’s plates is driven by the sudden
release of energy within some limited region of the rocks of Earth.
A. aftershock B. foreshock C. tectonic D. volcanic
___8. How are tsunamis created?
A. A submarine earthquake causes a huge amount of water to be displaced.
B. Differences in temperature cause hot seawater to rise.
C. The gravitational pull of the moon causes the ocean water to rise.
D. Topography underwater causes disturbances in the oceans’ current.
___9. A landmass that projects well above its surroundings is a mountain. What do you call a
chain of mountains?
A. mountain area C. mountain range
B. mountain chain D. mountainous
___10. It is the location on the Earth's surface directly above the focus of an earthquake.
A. center B. direct center C. epic center D. epicenter
___11. This is the type of plate boundary that occurs between the African Plate and the
Arabian Plate.
A. divergent boundary
B. transform boundary
C. convergent oceanic-continental plate boundary
 D. convergent oceanic-oceanic plate boundary
___12. The boundary between two plates moving toward each other is called a _________.
A. divergent boundary C. lithosphere
B. transform boundary D. convergent boundary
___13. Seafloor spreading is located at ___________________.
A. transform plate boundary C. divergent plate boundary
B. convergent plate boundary D. Indian plate
___14. Plate Tectonic Theory states that continents have moved ________ to their current
location.
A. vertically B. horizontally C. quickly D. slowly
___15. The East African Rift is an example of a _____________.
A. mid-ocean ridge C. rift valley
B. convergent boundary D. transform boundary
___16. The Himalayan mountain range of India was formed at the __________.
A. divergent boundary C. hot spot
B. convergent boundary D. transform boundary
___17. Philippine plate moves toward __________.
A. Australian plate C. Antarctic plate
B. Arabian plate D. Eurasian plate
___18. The __________ is an example of a transform fault boundary.
A. Appalachian Mountains C. San Andreas Fault
B. Mid-Atlantic Ridge D. Himalayas
___19. This is the type of plate boundary that occurs between the African Plate and the Arabian
Plate.
A. divergent boundary
B. transform boundary
C. convergent oceanic-continental plate boundary
D. convergent oceanic-oceanic plate boundary
___20. When magma in the earth’s mantle develops a great pressure, the ground above it is
pushed upward. If this happens in the middle of an ocean, what landform is produced?
A. mountain B. volcanic island C. volcano D. continent
___21. The tall landform created when two continental plates converge is called_______.
A. mountain range C. rift valley
B. volcanic arc D. Oceanic ridge
___22. It is a plate that dives down under a less dense plate during subduction.
A. subducting plate C. mantle
B. continental plate D. overriding plate
___23. Materials in the mantle flow up and down. Which of the following best describes the
mantle?
A. a solid layer C. a metallic layer
B. partially liquid D. very hot layer
___24. Which of the following happens when plates diverge or move away from each other?
A. The crust is destroyed.
B. New crust is produced because magma rises, then cools off and turns into solid.
C. Earth’s size changes because mountains are added on the earth’s surface.
D. The mantle rises.
___25. A rift valley is formed simultaneously with which of the following type of plate boundary?
A. Convergent C. Transform fault
B. Divergent D. Both convergent and divergent
___26. How do the plates move when we feel that the ground is shaking?
A. toward each other C. slide past each other
B. away from each other D. all of the above
___27. It is a landform produced when two continental plates converge.
A. volcano B. fault C. mountain D. volcanic island
___28. Most transform fault boundaries are found in the oceans; a few are on the continents. An
example of this type is the San Andreas Fault located in ____________.
 A. Marikina, Philippines C. Japan
B. California, USA D. Saudi Arabia
___29. It is otherwise known as an underwater mountain.
A. oceanic ridge B. trench C. hill D. volcanic island
___30. It is a chain of volcanoes developed parallel to a trench or a crack under the ocean.
A. mountain range C. volcanic island arc
B. volcanoes D. mountainous
___31. A convection current is caused by differences in temperature resulting to variation in___.
A. air pressure B. color C. density D. mass
___32. It is a measure of how much mass there is in a volume of a substance.
A. volume B. temperature C. density D. mass
___33. Hot molten materials in a convection cell rises near the ______________.
A. outer core B. crust C. inner core D. mantle
___34. Which of the following theory explains how the heavy plates move along the different
types of plate boundaries.
A. Continental Drift Theory C. Seafloor Spreading Theory
B. Plate tectonic Theory D.
___35. The motion of gas or liquid caused by differences in temperature is a _________.
A. tectonic movement C. convection current
B. plate tectonic D. magma chamber
___36. A driving force for plate motion at mid-ocean ridges as a result of the rigid lithosphere
sliding down ___________.
A. slab pull C. convection current
B. ridge push D. seafloor spreading
___37. Lithospheric plates are flowing in this area.
A. inner core C. outer core
B. asthenosphere D. lithosphere
___38. Which of the following is NOT a method of heat transfer?
A. condensation B. convection C. conduction D. radiation
___39. Which of the following is NOT a driving force of tectonic plates?
A. ridge push B. slab push C. drag force D. mantle convection
___40. What is the source of heat in a mantle convection current?
A. the Sun B. the crust C. the core D. the moon
___41. What evidences do scientists use to support the Continental Drift Theory?
A. rocks, fossils, air C. rocks, fossils, climate
B. rocks, water, ice D. rocks, fossils, human beings
___42. The youngest crust is found _________ the mid-ocean ridge.
A. far B. near C. beside D. away
___43. If you are a cartographer, what would give you an idea that the continents were once
joined?
A. ocean depth C. position of the South Pole
B. shape of the continents D. size of the Atlantic Ocean
___44. What did Harry Hammond Hess realize in the 1950s when his team continued exploring
the ocean floor and discovered the Mid-Atlantic Ridge?
A. He realized that the oceanic crust is older than the continental crust.
B. He realized that Alfred Wegener's Continental Drift Theory is not true.
C. He realized that the oceanic crusts near the Mid-Atlantic Ridge are thicker and less dense.
D. He realized that the Earth's crust had been moving away on each side of oceanic ridges, down
the Atlantic and Pacific Oceans.
____45. What information can be derived about Antarctica having fossils of ancient plants
and animals?
A. Antarctica drifted to the Southern hemisphere because of the melting of glaciers that
traps the plants and animals.
B. Antarctica has a very nice climate that caused these organisms to migrate and stay.
C. It has a tropical climate today that provides a good environment for complex life
forms.
D. Antarctica had once located near the equator.
____46. He is a German Scientist who hypothesized in 1912 that continents were once a giant
landmass called Pangaea.
A. Harry Hammond Hess C. Alfred Lothar Wegener
B. Robert Dietz D. Charles Darwin
____47. What do you call the process that forms and moves new oceanic crust?
A. magnetic reversal C. convection
B. seafloor spreading D. trenching
____48. What do you call the supercontinent landmass formed million years ago?
A. Pangaea C. Asia
B. Panthalassa D. Eurasia
___49. If Australia is moving about 2cm/ year and was drifted from the ridge by 1000km, how
long
ago was it when Australia was near the ridge?
A. 50 million years C. 500 million years
B. 10 million years D. cannot be predicted
____50. Which one among the continental drift pieces of evidence mainly proves that the Cape
Mountains of South America and Africa line up perfectly before?
A. There's an equal amount of coal deposits in each continent and fossils.
B. The evidence from the rock layers in different continents exactly matched.
C. The remains of the ancient plant called Glossopteris can be found on both continents.
D. The climate of the two continents is almost the same and with the same ancient
organisms.