Solutions for PHYSICAL SCIENCE (LCPO)
Problem 1AC:
1. The core of Earth is composed of
a. iron and nickel.
b. silicon and oxygen.
c. iron and lead.
d....Problem 2AC:
2. The middle part of Earth's interior is
a. oceanic crust.
b. mantle.
c. inner crust.
d. outer...Problem 3AC:
3. The separation of materials that gave Earth its layered interior is called
a. stratification.
b....Problem 4AC:
4. A vibration that moves through any part of Earth is called a
a. seismic wave.
b. gamma wave.
c....Problem 5AC:
5. The S-wave is a
a. longitudinal wave.
b. transverse wave.
c. radio wave.
d. surface wave.
Problem 6AC:
6. Waves that occur where S- or P-waves reach the surface are
a. secondary waves.
b. surface...Problem 7AC:
7. The three main areas of Earth’s interior are
a. core, mantle, and crust.
b. core, secondary...Problem 8AC:
8. The boundary between the crust and the mantle is called
a. crust-to-mantle discontinuity.
b....Problem 10AC:
10. Seismological studies suggests that the core
a. is solid.
b. is liquid.
c. has a liquid outer...Problem 11AC:
11. Evidence from meteorite studies proposes that the core is composed of
a. nickel.
b. iron.
c....Problem 12AC:
12. The layer in Earth where seismic waves sharply decrease in velocity is called the
a. crust.
b....Problem 13AC:
13. The layer that is broken up into plates that move in the upper mantle is the
a. crust.
b....Problem 14AC:
14. The name of the single large continent suggested by Wegener is
a. Pan-continental.
b....Problem 15AC:
15. Records of the strength and directions of Earth’s magnetic field are found in
a. igneous...Problem 16AC:
16. The chain of mountains found in the center of the Atlantic Ocean basin is called the
a. Atlantic...Problem 17AC:
17. Long, deep, and narrow oceanic trenches are located
a. in the middle of oceanic ridges.
b. on...Problem 18AC:
18. The theory that the lithosphere is composed of several rigid plates that “float” in the...Problem 19AC:
19. The plate boundary associated with the formation of new crust is called
a. divergent.
b....Problem 20AC:
20. The movement of one plate under another plate creates a
a. divergent boundary.
b. ridge.
c....Problem 21AC:
21. Transform boundaries occur when
a. two plates slide by each other without the formation or loss...Problem 22AC:
22. What is the current theory about why the plates move?
a. Plates follow the rotation of Earth.
b....Problem 23AC:
23. The seismic waves that cause the most damage during an earthquake are
a. P-waves.
b. S-waves.
c....Problem 24AC:
24. Earth’s mantle has a chemical composition that agrees closely with the composition of
a....Problem 25AC:
25. From seismological data, Earth’s shadow zone indicates that part of Earth's interior must be
a....Problem 26AC:
26. The Mohorovicic discontinuity is a change in seismic wave velocity that is believed to take...Problem 27AC:
27. The oldest rocks are found in
a. continental crust.
b. oceanic crust.
c. neither, since both are...Problem 28AC:
28. The least dense rocks are found in
a. continental crust.
b. oceanic crust.
c. neither, since...Problem 29AC:
29. The idea of seafloor spreading along the Mid-Atlantic Ridge was supported by evidence from
a....Problem 30AC:
30. According to the plate tectonics theory, seafloor spreading takes place at a
a. convergent...Problem 31AC:
31. The presence of an oceanic trench, a chain of volcanic mountains along the continental edge, and...Problem 32AC:
32. The presence of an oceanic trench with shallow earthquakes and island arcs with deep-seated...Problem 33AC:
33. The ongoing occurrence of earthquakes without seafloor spreading, oceanic trenches, or volcanoes...Problem 34AC:
34. The evidence that Earth's core is part liquid or acts as a liquid comes from
a. the P-wave...Problem 35AC:
35. The surfaces of early planets in our solar system were thought to be formed from
a. melting by...Problem 36AC:
36. The early Earth’s core is thought to have formed from the
a. exterior melting from radioactive...Problem 37AC:
37. Indirect evidence that supports the theory of how Earth formed is not supported by the study...Problem 38AC:
38. The oceanic crust is
a. thicker than the continental crust.
b. found under the continental...Problem 39AC:
39. Seismic waves that do not travel through liquid are
a. P-waves.
b. S-waves.
c. both P- and...Problem 40AC:
40. The fastest seismic wave is the
a. P-wave.
b. S-wave.
c. P- and S-waves are equally fast.
d....Problem 41AC:
41. Information about the composition and nature of the mantle does not come from
a. seismological...Problem 42AC:
42. Primary information about the nature of the core is provided by
a. seismological data.
b....Problem 44AC:
44. Earth’s magnetic field is thought to be generated by
a. seismic waves throughout Earth.
b....Problem 45AC:
45. Studies of the Mid-Atlantic Ridge provided evidence of
a. seafloor spreading.
b. seafloor...Problem 46AC:
46. Evidence that supports seafloor spreading does not include the
a. earthquakes occurring along...Problem 47AC:
47. A geologic feature that was produced by divergent boundaries is
a. the Alps.
b. the Mid-Atlantic...Problem 48AC:
48. Which type of plate boundary accounts for the formation of the Appalachian Mountains?
a....Problem 49AC:
49. Which type of plate boundary was responsible for the formation of the Japanese Islands?
a....Problem 50AC:
50. A famous transform boundary in the United States is the
a. Rocky Mountains fault.
b. Mississippi...Problem 51AC:
51. Plate movement is measured by
a. reflected laser light experiments.
b. age of sediments and...Problem 52AC:
52. Islands that form when melted subducted material rises through the plates above sea level are...Problem 1QFT:
1. Describe one theory of how Earth came to have a core composed mostly of iron. What evidence...Problem 2QFT:
2. Briefly describe the internal composition and structure of the (a) core, (b) mantle, and (c)...Problem 4QFT:
4. Describe the parts of Earth included in the (a) lithosphere, (b) asthenosphere, (c) crust, and...Problem 6QFT:
6. Rocks, sediments, and fossils around an oceanic ridge have a pattern concerning their ages. What...Problem 7QFT:
7. Describe the origin of the magnetic strip patterns found in the rocks along an oceanic ridge.
Problem 10QFT:
10. What is an island arc? Where are they found? Explain why they are found at this location.
Problem 11QFT:
11. Briefly describe a model that explains how Earth developed a layered internal structure.
Problem 12QFT:
12. Briefly describe the theory of plate tectonics and how it accounts for the existence of certain...Problem 13QFT:
13. What is an oceanic trench? What is the relationship of trenches to major plate boundaries?...Problem 14QFT:
14. Describe the probable source of all the earthquakes that occur in southern California.
Problem 15QFT:
15. The northwestern coast of the United States has a string of volcanoes running along the coast....Problem 16QFT:
16. Explain how the crust of Earth is involved in a dynamic, ongoing recycling process.
Problem 1FFA:
1. Why are there no active volcanoes in the eastern United States or Canada? Explain why you would...Problem 2FFA:
2. Describe cycles that occur on Earth's surface and cycles that occur between the surface and the...Problem 3FFA:
3. Discuss evidence that would explain why plate tectonics occurs on Earth but not on other...Problem 4FFA:
4. Analyze why you would expect most earthquakes to be localized, shallow occurrences near a plate...Problem 1PEB:
1. The rate at which the temperature increases with depth is called the geothermal gradient. What is...Problem 2PEB:
2. Based on a geothermal gradient of 15°C/km, what is the temperature at the bottom of the deepest...Problem 6PEB:
6. What is the pressure, in N/m2, at the base of the mantle? (Ignore the crust and assume mantle =...Problem 7PEB:
7. Wood floating in water can demonstrate how the position at which crust floats in the mantle can...Problem 8PEB:
8. A teacher would like to demonstrate the behavior of continental and oceanic crust floating in the...Problem 9PEB:
9. A survey of a mid-oceanic ridge determined the distance from the ridge axis to the reversal event...Problem 10PEB:
10. GPS stations on two separate plates have recorded the data shown in the following table. The...Problem 11PEB:
11. What is the geothermal gradient along a subducting plate where the temperature is 165°C at a...Problem 12PEB:
12. What are the subduction direction and slope of the Juan de Fuca Plate at the Cascade Mountain...Problem 13PEB:
13. What are the subduction direction and slope, in m/km, of the Indian-Australian Plate at the Java...Browse All Chapters of This Textbook
Chapter 1 - What Is Science?Chapter 2 - MotionChapter 3 - EnergyChapter 4 - Heat And TemperatureChapter 5 - Wave Motions And SoundChapter 6 - ElectricityChapter 7 - LightChapter 8 - Atoms And Periodic PropertiesChapter 9 - Chemical BondsChapter 10 - Chemical Reactions
Chapter 11 - Water And SolutionsChapter 12 - Organic ChemistryChapter 13 - Nuclear ReactionsChapter 14 - The UniverseChapter 15 - The Solar SystemChapter 16 - Earth In SpaceChapter 17 - Rocks And MineralsChapter 18 - Plate TectonicsChapter 19 - Building Earth’s SurfaceChapter 20 - Shaping Earth’s SurfaceChapter 21 - Geologic TimeChapter 22 - The Atmosphere Of EarthChapter 23 - Weather And ClimateChapter 24 - Earth’s Waters
Sample Solutions for this Textbook
We offer sample solutions for PHYSICAL SCIENCE (LCPO) homework problems. See examples below:
Chapter 1, Problem 1ACChapter 2, Problem 1ACChapter 3, Problem 1ACChapter 4, Problem 1ACReason for the correct options: The term vibration is used for the motion of a particle which...Chapter 6, Problem 1ACChapter 7, Problem 1ACIntroduction: J.J Thomson performed an experiment of cathode rays and observed the green...Introduction: The chemical substances which are composed of two or more atoms of different elements...
Introduction: There are a number of compounds in this world. In order to simplify the name of each...Chapter 11, Problem 1ACIntroduction: A class of compounds containing only carbon and hydrogen is known as hydrocarbons....Introduction: Radioactivity refers to the disintegration or the breaking of the unstable nucleus of...Chapter 14, Problem 1ACChapter 15, Problem 1ACChapter 16, Problem 1ACChapter 17, Problem 1ACChapter 18, Problem 1ACChapter 19, Problem 1ACChapter 20, Problem 1ACChapter 21, Problem 1ACChapter 22, Problem 1ACChapter 23, Problem 1ACChapter 24, Problem 1AC
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