2ND_QUARTER_MARCIANO_EARTH SCI_STEM11 - Quiz
  • 1. The process that breaks down rocks into smaller pieces is called
A) Sedimentation
B) Deposition
C) Erosion
D) Weathering
  • 2. Which of the following is a type of physical weathering?
A) Frost wedging
B) Oxidation
C) Carbonation
D) Hydrolysis
  • 3. The breakdown of rocks caused by reaction with oxygen is called
A) Oxidation
B) Carbonation
C) Dissolution
D) Hydration
  • 4. The peeling off of outer rock layers due to temperature changes is
A) Dissolution
B) Abrasion
C) Exfoliation
D) Frost wedging
  • 5. The process of dissolving minerals in water is called
A) Hydrolysis
B) Dissolution
C) Oxidation
D) Abrasion
  • 6. The type of weathering that changes rock composition is
A) Mechanical
B) Chemical
C) Biological
D) Physical
  • 7. The Earth’s temperature increases with
A) Distance from core
B) Depth
C) Altitude
D) Latitude
  • 8. Earth’s internal heat drives
A) Mantle convection and plate movement
B) Rain formation
C) Erosion
D) Wind systems
  • 9. The process by which rocks change due to heat and pressure is
A) Metamorphism
B) Sedimentation
C) Weathering
D) Melting
  • 10. Which is NOT a factor of metamorphism?
A) Solar radiation
B) Heat
C) Pressure
D) Chemical activity
  • 11. The force applied per unit area on rocks is called
A) Fold
B) Strain
C) Stress
D) Fault
  • 12. The stress that squeezes rocks together is
A) Shear
B) Tension
C) Friction
D) Compression
  • 13. The stress that pulls materials apart is
A) Pressure
B) Compressional
C) Shear
D) Tensional
  • 14. The bending of rock layers without breaking is
A) Folding
B) Cracking
C) Faulting
D) Fracturing
  • 15. The crack where rocks move past each other is a
A) Fault
B) Joint
C) Fold
D) Foliation
  • 16. When rocks slide horizontally, it’s caused by
A) Compression
B) Heat
C) Shear
D) Tension stress
  • 17. The idea that new ocean floor is formed at mid-ocean ridges is
A) Subduction
B) Plate tectonics
C) Continental drift
D) Seafloor spreading
  • 18. Who proposed the seafloor spreading hypothesis?
A) James Hutton
B) Arthur Holmes
C) Harry Hess
D) Alfred Wegener
  • 19. The age of ocean rocks increases as you move
A) Away from the ridge
B) Randomly
C) Toward the ridge
D) Toward the trench
  • 20. Evidence for seafloor spreading includes
A) Fossil evidence
B) Ocean currents
C) Magnetic patterns and rock ages
D) Volcanoes only
  • 21. The boundary where seafloor spreading occurs is
A) Neutral
B) Convergent
C) Divergent
D) Transform
  • 22. The molten material that creates new oceanic crust comes from
A) Mantle magma
B) Crustal rock
C) Outer core
D) Asthenosphere gases
  • 23. As the seafloor spreads, continents
A) Move apart
B) Sink
C) Stay fixed
D) Move together
  • 24. The youngest rocks on the seafloor are found
A) On continents
B) Near the trench
C) Near the ridge
D) In subduction zones
  • 25. Which technology helped discover seafloor spreading?
A) Satellite
B) Telescope
C) Microscope
D) Sonar mapping
  • 26. The weathering process accelerated by plants and animals is
A) Carbonation
B) Hydrolysis
C) Dissolution
D) Biological weathering
  • 27. The seafloor spreading theory helped explain
A) Soil erosion
B) Earthquakes
C) Plate tectonics
D) Climate change
  • 28. Which factor does NOT affect rock deformation?
A) Color
B) Time
C) Temperature
D) Pressure
  • 29. Metamorphism literally means
A) Change in form
B) Formation of sediments
C) Melting of magma
D) Rock destruction
  • 30. Which feature on Earth’s surface best shows the release of internal heat?
A) Mountain ridge
B) Volcano
C) Glacier
D) Canyon
  • 31. The heat responsible for volcanism originates from
A) Gravitational pull
B) Earth’s rotation
C) Sunlight
D) Earth’s interior
  • 32. The main cause of physical weathering in cold climates is
A) Wind
B) Freezing and thawing of water
C) Acid rain
D) Chemical reaction
  • 33. The main driving mechanism for seafloor spreading is
A) Gravitational pull
B) Convection currents in the mantle
C) Ocean waves
D) Wind pressure
  • 34. The rocks found near deep-ocean trenches are
A) Recently formed
B) Younger
C) The same age as ridge rocks
D) Older
  • 35. Magnetic reversals on the ocean floor are recorded as
A) Circular patterns
B) Stripes parallel to the ridges
C) Vertical fractures
D) Randomly oriented bands
  • 36. A granite rock exposed to alternating hot days and cool nights starts to crack and peel. What process is happening?
A) Chemical weathering by oxidation
B) Physical weathering by abrasion
C) Chemical weathering by hydrolysis
D) Physical weathering by exfoliation
  • 37. Rocks in a cold mountain region show cracks filled with ice in winter. What will most likely happen over time?
A) Ice will form new minerals
B) Repeated freezing will widen cracks
C) Cracks will close as ice melts
D) Ice will protect the rock from erosion
  • 38. A marble floor turns dull after years of contact with acidic cleaning agents. What type of weathering occurred?
A) Physical
B) Mechanical
C) Chemical
D) Biological
  • 39. If limestone turns into marble, what likely caused it?
A) Erosion by water
B) Intense heat and pressure
C) Chemical weathering
D) Sediment compaction
  • 40. A scientist observes symmetrical magnetic stripes on both sides of a mid-ocean ridge. What can she conclude?
A) Seafloor spreading is occurring
B) The ridge is inactive
C) The magnetic field is constant
D) The ocean floor is ancient
  • 41. Which real-life application of seafloor spreading theory helps predict natural hazards?
A) Estimating population growth
B) Locating mineral deposits
C) Predicting rainfall patterns
D) Identifying active earthquake zones
  • 42. Older oceanic crust sinks beneath continental crust because it is
A) Hotter and less dense
B) Lighter and younger
C) Thicker and buoyant
D) Cooler and denser
  • 43. A plant’s roots split apart a concrete wall. What type of weathering and stress caused this?
A) Abrasion and mechanical
B) Physical and biological
C) Thermal and exfoliation
D) Chemical and hydrolysis
  • 44. Acidic groundwater causes underground limestone to dissolve, forming a sinkhole. This is an example of
A) Chemical weathering and dissolution
B) Physical abrasion
C) Carbonation and erosion
D) Oxidation
  • 45. Why does magma tend to rise toward Earth’s surface?
A) It is denser than surrounding rock.
B) It is cooler and heavier.
C) It contracts as it cools.
D) It is less dense than surrounding rock.
  • 46. Two samples of granite weather differently, one exposed on a mountaintop, another in a humid valley. Which best explains this?
A) Rock composition varies with altitude.
B) Temperature and moisture affect weathering rate.
C) Gravity slows weathering in lowlands.
D) Both samples weather equally.
  • 47. A city engineer observes cracks in a mountain road caused by plant roots. What solution addresses the cause?
A) Trim vegetation near road edges
B) Spray water regularly
C) Cover surface with asphalt
D) Apply more concrete
  • 48. If two continental plates collide, what major structure will form?
A) Subduction zone
B) Ocean trench
C) Mountain range
D) Rift valley
  • 49. If the rate of seafloor spreading increases, what is the long-term effect?
A) Continents converge.
B) Subduction slows down.
C) Ocean basins widen faster.
D) The ocean floor cools faster.
  • 50. Scientists detect that the Atlantic Ocean floor is widening by 3 cm/year. What does this reveal about plate motion?
A) Plates move apart slowly but continuously.
B) Earth’s crust is shrinking.
C) Subduction occurs at the ridge.
D) The process has stopped.
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