UPCAT Review - General Science Volume 6

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Questions and Answers

What materials are abundant in the crust?

  • Iron and nickel
  • Oxygen and silicon (correct)
  • Gold and silver

What does the mantle contain?

Iron and nickel

The metals ______ make up most of the earth's core.

iron and nickel

Which does not belong to the group?

<p>troposphere (C)</p> Signup and view all the answers

Movement of tectonic plates is due to the hot, flowing condition of the asthenosphere. What is the term for semi-liquid condition?

<p>plasticity (B)</p> Signup and view all the answers

The outer core is ______ because ______ is the controlling factor.

<p>liquid - temperature (C)</p> Signup and view all the answers

Energy in the mesosphere moves slowly by ______.

<p>conduction (A)</p> Signup and view all the answers

The crust is made up of two separate layers: the oceanic crust and the continental crust. Which of the following characterizes the oceanic crust?

<p>composed of basalt and gabbro (C)</p> Signup and view all the answers

Which make up continental crust?

<p>granite and rhyolite (C)</p> Signup and view all the answers

Which make up the lithosphere?

<p>crust and upper mantle (C)</p> Signup and view all the answers

The shadow zone is the boundary between the ______?

<p>lower mantle and outer core (B)</p> Signup and view all the answers

Which best describes primary waves?

<p>compress and expand particles that lie in their path (A)</p> Signup and view all the answers

Which illustrates a surface wave?

<p>both A and B (C)</p> Signup and view all the answers

Where do the seismic waves from an earthquake go? Seismic waves spread out in ______.

<p>all directions (A)</p> Signup and view all the answers

Why can earthquakes be not detected at the shadow zone?

<p>The outer core bends P waves and stops S waves. (C)</p> Signup and view all the answers

Why are P waves bent as they strike the mantle?

<p>The core and the mantle have different properties. (C)</p> Signup and view all the answers

A change in direction of a wave as it moves through rock layers of different densities is known as ______.

<p>refraction (B)</p> Signup and view all the answers

What is the principle of uniformitarianism?

<p>The same processes that shaped the earth are still at work today. (B)</p> Signup and view all the answers

Which supported the continental drift theory?

<p>1, 2, 3, and 4 (C)</p> Signup and view all the answers

All of the following are associated with seafloor spreading except:

<p>old age of oceanic crust compared to continental crust (B)</p> Signup and view all the answers

Which of the following occurs when two oceanic plates collide?

<p>subduction (D)</p> Signup and view all the answers

Any plate boundary where the plates collide is called a ______ boundary.

<p>convergent (D)</p> Signup and view all the answers

The theory of ______ explains all known major surface geological phenomena.

<p>plate tectonics (B)</p> Signup and view all the answers

What are formed when two continental plates collide?

<p>folded mountains (A)</p> Signup and view all the answers

Which of the following global locations best shows the action of divergent plate boundaries?

<p>African rift valley (C)</p> Signup and view all the answers

The type of stress that can form a trench is ______.

<p>compression (A)</p> Signup and view all the answers

What kind of fault results from # 27?

<p>reverse (B)</p> Signup and view all the answers

In a ______ fault, the hanging wall to move upward in relation to the footwall, while in a ______ fault, the hanging wall moves downward in relation to the footwall.

<p>reverse...normal</p> Signup and view all the answers

What kind of fault is formed by tension?

<p>normal (D)</p> Signup and view all the answers

On the other hand, what kind of fault is formed by compression?

<p>reverse (D)</p> Signup and view all the answers

Volcanic eruptions usually occur at the ______ of continents where forces between adjoining tectonic plates are usually the strongest.

<p>edges (C)</p> Signup and view all the answers

What kind of energy do seismic waves carry?

<p>kinetic (C)</p> Signup and view all the answers

The earth has ______ energy and is changed into ______ energy during an earthquake.

<p>potential........kinetic (D)</p> Signup and view all the answers

The energy transformation in # 35 occurs at the ______.

<p>focus (A)</p> Signup and view all the answers

What happens to the amount of kinetic energy carried by the wave as the wave moves away from the focus?

<p>decreases (C)</p> Signup and view all the answers

Which earthquake waves are called body waves?

<p>P and S (A)</p> Signup and view all the answers

The area along a fault where rocks first break and move is the ______.

<p>focus</p> Signup and view all the answers

The point on the earth's surface where an earthquake's shaking is generally the strongest is ______.

<p>epicenter (C)</p> Signup and view all the answers

In volcano, what factor causes magma to move through a pipe?

<p>heat and pressure (B)</p> Signup and view all the answers

Which best characterizes a cinder cone volcano?

<p>has steep slopes, contains layers of cinders and lava (A)</p> Signup and view all the answers

The ______ seismic waves can cause the most damage because they cause the earth's surface to move up or down or side to side.

<p>L (A)</p> Signup and view all the answers

Which best characterizes a mineral?

<p>1, 2, 3, 5 (D)</p> Signup and view all the answers

Which is NOT a mineral?

<p>coal (A)</p> Signup and view all the answers

What is the symbol of quartz?

<p>Si O2 (D)</p> Signup and view all the answers

Ferrous oxides are composed of:

<p>iron and oxygen (D)</p> Signup and view all the answers

Which is NOT a rock?

<p>halite (B)</p> Signup and view all the answers

Which statement is TRUE?

<p>the streak of the mineral is always the same (C)</p> Signup and view all the answers

Specific gravity is the ratio of a mineral's density to the density of water. What is the specific gravity of a mineral whose density is 5.3 g/cm³?

<p>5.3 (B)</p> Signup and view all the answers

Moh's scale is used to determine the ______ of a mineral.

<p>Hardness (A)</p> Signup and view all the answers

A mineral scratches all the other minerals. What is its hardness number in Moh's scale?

<p>10 (C)</p> Signup and view all the answers

The "lead" in pencil is actually ______.

<p>graphite (B)</p> Signup and view all the answers

What minerals maybe used to make porcelain?

<p>borax and feldspar (A)</p> Signup and view all the answers

The ______ of a mineral leaves even surface while ______ of a mineral leaves uneven plane.

<p>fracture.....cleavage (A)</p> Signup and view all the answers

You have two mineral samples that vary in color but are identical in all other properties. What can you infer about the two samples?

<p>same mineral, different impurities (B)</p> Signup and view all the answers

A sample of a mineral has a mass of 64 g and a volume of 16 cm³. What is its density?

<p>4 g/cm³ (B)</p> Signup and view all the answers

What is its specific gravity?

<p>4 (A)</p> Signup and view all the answers

Which is an igneous rock?

<p>obsidian (B)</p> Signup and view all the answers

Which is a metamorphic rock?

<p>schist (A)</p> Signup and view all the answers

Igneous rocks are formed by the ______ of magma.

<p>cooling and solidifying (A)</p> Signup and view all the answers

The process by which new rocks are formed thru intense heat and pressure is called ______.

<p>metamorphism (D)</p> Signup and view all the answers

Both sedimentary rocks are metamorphic foliated rocks have layers. Sedimentary rocks are formed by ______ while foliated rock layers consist of ______.

<p>different minerals.......particles of different sizes (D)</p> Signup and view all the answers

Flashcards

What is the lithosphere?

The outermost layer of the Earth, composed of the crust and a small section of the upper mantle.

What is the asthenosphere?

The layer below the lithosphere, characterized by semi-liquid, hot rock with plasticity, allowing for plate movement.

What is the mesosphere?

The layer below the asthenosphere, composed of hot, solid rock.

What is the outer core?

The liquid layer surrounding the Earth's inner core, responsible for the Earth's magnetic field.

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What is the inner core?

The solid, extremely hot inner core of the Earth, kept solid by immense pressure.

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What is conduction in the context of the Earth's layers?

The process describing how energy is transferred through physical contact between molecules, leading to slow movement in the mesosphere.

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What is convection in the context of the Earth's layers?

The process describing how energy is transferred through the movement of heated fluids. While present in the atmosphere, convection doesn't play a significant role in the mesosphere.

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Describe the oceanic crust.

The thinner, denser layer of the crust, primarily composed of basalt and gabbro.

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Describe the continental crust.

The thicker, less dense layer of the crust, primarily composed of granite and rhyolite.

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What is the shadow zone?

A boundary between the solid lower mantle and the liquid outer core, where seismic waves are affected.

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What are primary (P) waves?

A type of seismic wave that compresses and expands particles in its path, causing vibrations similar to pushing and pulling a spring.

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What are secondary (S) waves?

A type of seismic wave that causes rock particles to move perpendicular to its direction of travel, similar to a rope moving side to side.

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What are surface waves?

A type of surface wave that causes rock particles to move in a complex pattern, both horizontally and vertically, similar to ocean waves.

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What is the principle of uniformitarianism?

The idea that geological processes operating today, such as erosion, deposition, and plate tectonics, have been at work throughout Earth's history.

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What is the theory of plate tectonics?

The theory stating that the Earth's crust comprises moving plates, explaining phenomena like earthquakes, volcanic eruptions, and mountain formation.

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What are divergent plate boundaries?

A plate boundary where two plates move apart, allowing magma to rise from the mantle and create new crust.

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What are convergent plate boundaries?

A plate boundary where two plates collide, causing either one plate to subduct beneath the other or the formation of folded mountains.

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What is subduction?

The sinking of one tectonic plate beneath another at a convergent plate boundary.

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What is a reverse fault?

A fault formed by compression, where the hanging wall moves upward relative to the footwall.

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What is a normal fault?

A fault formed by tension, where the hanging wall moves downward relative to the footwall.

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What is a transform boundary?

A type of plate boundary where two plates slide horizontally past each other, often causing earthquakes along the boundary.

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How do igneous rocks form?

The process by which magma cools and solidifies, forming igneous rocks.

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How do metamorphic rocks form?

The process by which existing rocks are transformed by heat and pressure, forming metamorphic rocks.

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How do sedimentary rocks form?

The process by which sediments are cemented together, forming sedimentary rocks.

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What is mechanical weathering?

The breakdown of rocks due to physical forces like freezing and thawing or abrasion.

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What is chemical weathering?

The breakdown of rocks due to chemical reactions like oxidation, carbonation, or hydrolysis.

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What is carbonation?

A form of chemical weathering where carbonic acid reacts with rocks, dissolving them.

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What are characteristics of a young stage of river erosion?

The youngest, most active stage of river erosion, characterized by steep slopes, swift flow, and the presence of waterfalls or rapids.

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What are characteristics of an old stage of river erosion?

The most mature stage of river erosion, characterized by gentle slopes, meanders, and a wide floodplain.

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What is the troposphere?

The layer of the atmosphere where most weather occurs, containing the majority of the atmosphere's mass.

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What is the stratosphere?

The layer of the atmosphere containing ozone, which absorbs harmful UV radiation.

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What is the thermosphere?

The layer of the atmosphere above the stratosphere, characterized by extremely low density and increasing temperature due to solar radiation.

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What is the exosphere?

The outermost layer of the atmosphere, gradually merging with space, with very low density and containing charged particles from the sun.

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Study Notes

UPCAT Review - General Science

  • Volume 6 by Violeta V. Quintana, Lorna A. Aporto, Neb L. Perez, and Michael Leonardo C. Delomen
  • Website: upcatreview.com

General Science Contents

  • Structure of the Earth
  • Theory of Continental Drift
  • Seafloor Spreading
  • Theory of Plate Tectonics
  • Plate Boundaries
  • Earthquakes
  • Volcanoes
  • Minerals
  • Rocks
  • Weathering and Erosion
  • Change and Earth's History
  • The Atmosphere

Review Test

  • Page 4
  • Questions 1-100
  • Answer Sheet: Page 5

Answer Explanations

  • Page 15
  • Volume 6
  • Answers and Explanations

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