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Second Semester Final Review

Second Semester Final Review. ©2005 LikeScience.com. A mile or so below you there are large pieces of the Earth’s crust known as __________________.    . Plates. Plates move and float on a river of ______________ in the Earth’s _______________.    . Magma, mantle.

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Second Semester Final Review

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  1. Second Semester Final Review ©2005 LikeScience.com

  2. A mile or so below you there are large pieces of the Earth’s crust known as __________________.    Plates

  3. Plates move and float on a river of ______________ in the Earth’s _______________.    Magma, mantle

  4. Where these plates break a ______________ will form.    fault

  5. At ______________ plate boundaries ___________ forces cause reverse faults to form.    Convergent, compression

  6. At transform plate boundaries __________ forces cause __________ faults to form.    Shearing, strike-slip

  7. Lastly, as tension forces act on the plates at ___________________ plate boundaries, __________ faults form.    Divergent, normal

  8. As plates interact they sometimes produce large vibrations known as __________.    earthquakes

  9. The _________ is the location under the ground where the energy of the vibrations was released.    focus

  10. The point on the surface directly above this location is known as the ____________.    epicenter

  11. _____________, scientist who study earthquakes use instruments called _______________ to measure the vibrations caused by earthquakes.    Seismologist, seismograph

  12. The first wave of energy released by an earthquake is a _______________ wave.    primary

  13. Primary waves travel in a _________ motion.    Up and down

  14. Second to arrive at the _________ station is the ____________ wave.    Seismic, secondary

  15. Secondary waves travel in a __________ motion    Back and forth

  16. The seismic wave that causes the most damage is the ________________ wave.    surface

  17. The Earth has an endless supply of resources.    false

  18. What is the carrying capacity?    How much the Earth's resources can support.

  19. What will happen to Earth’s resources if they are wasted?    They will be gone.

  20. Does the population use more or less resources than 200 years ago?    more

  21. Define population.    Number of species in an area.

  22. What was the global population in 1996?    5.7 billion

  23. What is a population explosion?    A rapid increase in population.

  24. What happens when a region does not have enough food?    The animals migrate or starve.

  25. Why has the population of Earth increased so rapidly?    Better medicines and Technology.

  26. Why have births increased?    Americans are having more babies.

  27. What is the estimated world population for this century?    14 billion

  28. How much garbage does the average person produce in 75 years?    47,000 kgs

  29. How much water does an average person consume in 75 years?    163 million liters

  30. What is the population density of a region?    population divided by area

  31. How do fuels impact the environment?    Burning them produces pollution

  32. An area where magma from deep within the mantle melts through the crust is called a(n)    hot spot

  33. Volcanoes in both the Andes and the mountains of the Pacific Northwest formed from collisions between    an oceanic plate and a continental plate

  34. The volcanoes that form the Ring of Fire around the Pacific Ocean are the result of    subducting plates

  35. Magma first forms in    the asthenosphere

  36. Which sequence describes the movement of magma from inside a volcano to the surface?    magma chamber, pipe, vent

  37. Eruptions of high-silica lava may produce a    shield volcano

  38. Groundwater heated by magma forms a(n)    hot spring

  39. Wide, gently sloping mountains formed by low-silica lava flows are called    shield volcanoes

  40. A mass of rock that forms when a large body of magma cools inside the crust is called a    batholith

  41. Dikes are formed when    magma enter a vertical crack and hardens

  42. A mountain that forms when layers of lava and ash erupt    volcano

  43. Hot spots, such as the one that formed Hawaii, can occur at    locations far from plate boundaries

  44. One factor that determines whether a volcano eruption will be quiet or explosive is ____.    the amount of water vapor and other gases trapped in the magma.

  45. Magma rises to Earth’s surface because it is ____than surrounding rock.    less dense

  46. Magma that squeezes into horizontal cracks and hardens forms a______    sill

  47. Magma that squeezes into vertical cracks and hardens forms a____    dike

  48. The largest intrusive igneous rock body is a    batholith

  49. If the magma chamber below a volcano collapses, a _____forms.    caldera

  50. An area where magma melts through the crust in the middle of a plate is called a(n)    hot spot

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