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Unit 5 Study Guide

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  • Volcanoes that are submerged under the ocean waters are called _________________.
    seamounts
  • Which process in the water cycle turns water from the atmosphere into precipitation?
    condensation
  • What causes surface waves?
    wind
  • Seamounts can become islands once they rise above the surface of the ocean. What is the original source of seamounts before they become islands?
    Underwater volcano
  • List the steps in the water cycle that describe how water moves from the ocean to the atmosphere, and then returns to Earth again as rain.
    Evaporation, condensation, & precipitation
  • What type of water covers most of the Earth's surface?
    salt water
  • On this diagram, what does D label?
    amplitude
  • Describe the process of transpiration.
    Groundwater moves from the ground through plants and then back into the atmosphere.
  • On this diagram, what does C label?
    wave height
  • List the four types of precipitation.
    Rain, snow, sleet, & hail
  • On this diagram, the distance between point A and point B is called the _________________.
    wavelength
  • Identify the main source of salt water.
    oceans
  • What causes tides?
    gravity
  • How is the sun the major source of energy in the water cycle?
    It provides the energy to evaporate water on Earth into the atmosphere.
  • Which process in the water cycle causes water to fall back to Earth?
    precipitation
  • Where is the youngest oceanic crust located?
    Nearest the mid-ocean ridge
  • Which underwater landform is the deepest part of the ocean?
    trench
  • Which process in the water cycle turns water from the ocean into water in the atmosphere?
    evaporation
  • What two factors affect the density of ocean water?
    Temperature and salinity
  • Why is most of Earth’s fresh water unavailable for us to use?
    It is frozen.
  • When you go to the beach and walk out into the ocean, what are you standing on?
    Continental shelf
  • What are the huge waves that are caused by underwater earthquakes, volcanoes, or landslides?
    tsunamis
  • List the four main sources of fresh water.
    Glaciers & ice caps, groundwater, rivers & lakes, air & soil
  • What is an underground reservoir of fresh water (often used for drinking water)?
    aquifer