How can we help?

You can also find more resources in our Help Center.

27 terms

Chpt 1- Earth: The Water Planet

STUDY
PLAY
polar molecule
a molecule that has electrically charged areas
capillary action
the combined force of attraction among water molecules and with the molecules of surrounding materials
surface tension
the tightness across the surface of water that is caused by the polar molecules pulling on one another
solution
A mixture that forms when one substance dissolves another
solvent
the substance that does the dissolving
specific heat
the ammount of heat needed to increase the temperature of a certain mass of a substance by 1 degree celcius
evaporation
the process by which molecules at the surface of a liquid absorb enough energy to change to the gaseous state
condensation
the process by which a gas changes to a liquid
photosynthesis
the process by which plants use water, alomg with carbon dioxide and energy from the sun, to make their own food
habitat
the place where it lives and obtains all the things it needs to survive
groundwater
water that fills the cracks and spaces in underground soil and rock layers
transpiration
water is given off through the leaves as water vapor in a process
precipitation
water that falls to earthas rain, snow, hall, or sleet
tributaries
streams and smaller rivers that feed into a main river
water shed
land area that supplies water to a river system
divide
one water shed is separated from another by a ridge of land
reservoir
a lake that stores water for human use
nutrients
are substances such as nitrogen and phophorus that enable plants plants and algae to grow
eutro phication
over many years, the nutrients built up in the lake in a process
wetland
A land area that is covered with a shallow layer of water during some or all of the year.
permeable
a characteristic of material such as sand and gravel though which water easily passes
impeameable
water cannot pass through easily
saturated zone
the area of permeable rock or soil that is totally filled or saturated with water
water table
the top of the saturated zone
unsaturated zone
the layer of rocks and soil above the water table
aquofer
any underground layer of rock or sediment that holds water
artesian well
a well in which water rises because of pressure within the aquifer