Water Cycle
Water circling through the oceans, atmosphere, and land. What is this called?
The Water Cycle
Movements in the surface of the water produced by the wind/
Waves
What is it called when the volume of water flowing through the river does not change much throughout the year?
Regular flow.
What are lakes?
Permanent bodies of water that have accumulated in the interior of continents.
What does "sustainable water use" mean?
Meeting people's needs while ensuring that water is conserved.
How much of the Earth is covered by water?
70%
What is the difference between oceans and seas?
Oceans are huge bodies of water that surround and separate continents. Seas are smaller and shallower.
What is the name of the place where the river begins?
It's source.
What are glaciers?
Masses of ice formed by the accumulation of snow over hundreds of years.
What does the deterioration of seas and rivers mean?
Increasing acidity and polution levels.
Heat causes water to vaporize and rise into the air. What is this called?
Evaporation
The daily rise and fall of sea levels caused by the gravitational forces of the moon and sun.
Tides
What are the three main parts of a river's course?
Upper course, middle course, and lower course.
What is groundwater?
Water found below the Earth's surface; a result of rainfall and river water that filters through the ground.
What percent of marin trash comes from the land?
80%
The water from the clouds falls to the surface as rain, snow, or hail. What is this called?
Precipitation
Large masses of water that cross the oceans. They move in a similar way to rivers.
Ocean currents
These usually form in the middle course of a river. They are wide bends in the river channel.
Meanders
How are icebers formed?
Glaciers reach the sea and break up.
What percentage of the carbon dioxide that we produce is absorbed by the ocean?
30%
The water vapor rises. As it cools, it forms clouds. What is this?
Condensation
What does the salinity of the water depend on?
Temperature
What is the name for the territory occupied by the main river and its tributaries?
The river basin.
What forms when groundwater rises to the surface?
Cold springs and hot springs
What is something we are doing to the land that is destroying river banks and altering ecosystems?
Deforestation OR river channeling