watershed
This is an area of land where all of the water that is under it or drains off of it goes into the same place
What is a watershed
a measure of the cloudiness of water caused by suspended sediment
What is a turbitdity?
The type of pollution that cannot be traced to a single specific source.
What is non-point source pollution?
a physical process where a substance changes from a liquid state to a gaseous state (vapor) at temperatures below its boiling point
what is evaporation?
The three states of matter that water can exist in
What is solid, liquid, and gas?
These represent the highest points and ridges that determine the boundaries of a watershed
What are divides?
Pollution that comes from a specific, single location like a pipe
What is a point source pollution?
These items can take hundreds of years to decompose when dumped into the sea.
What is Litter?
Water droplets in clouds become heavy and fall back to Earth as rain, snow, sleet, or hail.
What is Precipitation?
Insects can walk on water because the molecules at the surface are strongly bonded
What is surface tension?
Large watersheds, like the Chesapeake Bay, are made up of many smaller ones, which are called
What are tributaries?
Planting trees and using slit fences are common ways to reduce this process off soil being moved into rivers
What is erosion?
This occurs when a factory or pipe releases pollutants directly into a body of water
what is a point source pollution?
Ice and snow can turn directly into water vapor without melting first.
What is Sublimation?
This term means that water dissolves more substances than any other liquid.
What is the Universal Solvent?
The specific place where a river or stream begins
What are headwaters
A measure of how acidic or basic water is.
What is pH?
This is what you call soil particles, like sand or mud, carried into water by runoff.
what is sediment
As water vapor rises, it cools and turns back into liquid, forming clouds.
What is Condensation?
A molecule that has an electrical charge, like water
What is a polar molecule?
These are determined by the slope of the land, including hills and mountains
What are watershed boundaries
Water that flows over land and picks up contaminants like oil, pesticides, or trash.
What is runoff?
These are two common sources of pollution found in rural or suburban lawns and farms.
What are fertilizers and pesticides
Water that infiltrates soil, sand, and rock
what is groundwater ?
Water forming on the outside of a cold glass.
What is condensation?