The oceans hold most of the water on Earth. What kind of water is found in oceans?
  • salt water
  • pure water
  • fresh water
  • drinking water
Which location contains the smallest fraction of the water on Earth?
  • oceans
  • glaciers
  • the atmosphere
  • under the ground
What is the water like where a river meets the ocean?
  • very salty
  • fresh
  • polluted
  • a little bit salty
The continent of Antarctica is nearly covered with glaciers. Which statement is true about glaciers?
  • Glaciers are frozen salt water.
  • Glaciers are frozen fresh water.
  • Glaciers contain a majority of the water on Earth.
  • Glaciers contain the smallest fraction of water on Earth.
Which statement about fresh water is true?
  • Most fresh water is located underground.
  • Less than 1% of fresh water is surface water.
  • Frozen water is less than 50% of Earth's fresh water
  • Groundwater makes up the most amount of fresh water on Earth
Glaciers in the mountains start to melt when the air temperature increases. This is an example of which two Earth systems interacting?
  • atmosphere and biosphere
  • hydrosphere and biosphere
  • hydrosphere and geosphere
  • atmosphere and hydrosphere
a massive wave that causes severe erosion and other damage on coastlines, usually following an earthquake
  • tsunami
  • tide
  • big wave
  • open ocean
waves striking a rocky outcropping that extends from the seashore, slowly breaking down the rock into smaller pieces
  • seawalls
  • tsunami
  • weathering
  • erosion
walls constructed by humans to prevent erosion and other wave-related damage on the shoreline
  • breakwaters and seawalls
  • ice caps and glaciers
  • Intertidal zone
  • storm
In Southern California this winter, expect heavy rainfall and cooler temperatures and maybe a cyclone or two, depending on just how unusually warm the water gets in the central Pacific. This event could be worse than the last one. What is being described?
  • typical region storm
  • climate change
  • La Niña
  • El Niño
These tiny organisms are important because they provide us with oxygen
  • shrimps
  • phytoplankton
  • octopus
  • fish
The greatest percentage of Earth's water is in the
  • lakes
  • groundwater
  • rivers
  • ocean
What kind of water is depicted in the solid in the image?
sc-7 sb-6-Oceans Affect Ecosystemsimg_no 230.jpg
  • salt water
  • water vapor
  • groundwater
  • fresh water
Aaron is researching characteristics of the ocean. Which statement about oceans is true?
  • People float more easily in saltier water
  • The ocean is cooler in the surface
  • Most human activity on the ocean is done out at sea
  • Sunlight becomes brighter as the ocean gets deeper
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