Hydrosphere and Water Pollution

What causes tides?

• gravity, sun, and moon

• underwater fans

• gravity

• water temperature

Spring tides occur during _____

• Third and First Quarter Moons

• New and Full Moons

What properties are used to describe ocean water?

• salinity

• temperature

• density

• color

What is salinity?

• Amount of pollution in something

• How dense something is

• Amount of salt in something

• A pile of salt

Temperature of ocean water changes based on?

• The color of the water

• What lives in it

• How fast it moves

• Depth and location

What percent of earth is water?

• 96%

• 100%

• 23%

• 64%

What is most water used for?

• Drinking

• Swimming

• Irrigation

• Bathing

What is an aquifer?

• a type of aquarium

• a really big puddle

• underground store of water

• frozen rain

Where is most freshwater located?

• on ice caps

• ponds

• lakes

What is a mixture of fresh and salt water?

• salinity

• kool-aid

• brackish