the continuous process by which water moves from Earth's surface to the atmosphere and back
What is the water cycle?
the streams and smaller rivers that feed into a main river
What are tributaries?
What is a ridge of land that separates two water sheds called?
divide
Water in lakes and ponds is
still.
Where does the energy for the water cycle come from?
the sun
the three major steps of the water cycle
What is evaporation, condensation, and precipitation?
the land area that supplies water to a river system
What is a watershed?
How do plants contribute to the water cycle?
through transpiration
Which is deeper an lake or pond?
lake
the practice of using less of a resource, so it won't be used up
What is conservation?
four types of precipitation
What is rain, snow, hail, and sleet?
a place where an organism lives and obtains all things it needs to survive
What is a habitat?
percentage of Earth's water that is salt water
What is 97%?
Which is colder lake or pond?
Lake
Ice, rivers, lakes, ponds and groundwater are what type of water?
fresh water
during the process of evaporation, liquid water changes to a gas called ...
What is water vapor?
generally smaller and shallower than a lake
What is a pond?
most fresh water is locked up in this
What is a ice?
What causes lakes and ponds to disappear?
eutrophication
Plants use water for
Photosynthesis
the loss of water from parts of plants
What is transpiration?
a lake that stores water for human use
What is a reservoir?
water that fills cracks and spaces in underground soil and rock layers is called ...
What is groundwater?
What builds up in a lake or pond and starts the eutrophication process?
algae, waste and dead organisms
4 uses of water
What are household purposes, industry and transportation, agriculture, and recreation?