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What type of water covers most of the Earth's surface?
salt water
Identify the main source of salt water.
oceans
List the four main sources of fresh water.
Glaciers & ice caps, groundwater, rivers & lakes, air & soil
List the four types of precipitation.
Rain, snow, sleet, & hail
What is an underground reservoir of fresh water (often used for drinking water)?
aquifer
Which process in the water cycle turns water from the ocean into water in the atmosphere?
evaporation
Which process in the water cycle turns water from the atmosphere into precipitation?
condensation
Which process in the water cycle causes water to fall back to Earth?
precipitation
Which underwater landform is the deepest part of the ocean?
trench
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.
Why is most of Earth’s fresh water unavailable for us to use?
It is frozen.
What are the huge waves that are caused by underwater earthquakes, volcanoes, or landslides?
tsunamis
What causes surface waves?
wind
On this diagram, the distance between point A and point B is called the _________________.
wavelength
On this diagram, what does C label?
wave height
