PA Watersheds Question Preview (ID: 60989)


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How many major watersheds are there in Pennsylvania?
a) 3
b) 4
c) 6
d) 8

What is the largest watershed by area in Pennsylvania?
a) Potomac
b) Delaware
c) Ohio
d) Susquehanna

What is a watershed?
a) the end of a river where the water enters a lake bay or ocean
b) an area of land that contributes its water to a series streams, and rivers, to a common outlet (river, lake, bay, ocean)
c) an area of high elevation
d) when water returns to the Earth in the form or rain, snow, sleet or hail

What is a divide?
a) the boundary of a watershed designated by the highest points between watersheds
b) any stream or river that flows into another stream or river
c) the end of a river where the water enters a lake bay or ocean
d) when water returns to the Earth in the form or rain, snow, sleet or hail

What is precipitation?
a) when liquid water changes to a water vapor
b) water that returns to Earth in the form of rain, snow, sleet or hail
c) water that runs downhill across the Earth's surface
d) when water vapor changes into liquid water

What is evaporation?
a) when liquid water changes to a water vapor
b) water that returns to Earth in the form of rain, snow, sleet or hail
c) water that runs downhill across the Earth's surface
d) when water vapor changes into liquid water

What is runoff?
a) when liquid water changes to a water vapor
b) water that returns to Earth in the form of rain, snow, sleet or hail
c) water that runs downhill across the Earth's surface
d) when water vapor changes into liquid water

About how much of the precipitation that falls in PA makes it to a stream?
a) 1/3
b) 2/3
c) 1/2
d) 3/4

Where does the water from the Ohio river watershed eventually drain into the ocean?
a) Lake Ontario
b) Lake Erie
c) Chesapeake Bay
d) Gulf of Mexico

What is a tributary?
a) the end of a river where the water enters
b) the small streams at the top of a watershed where the rivers begin, often called a source
c) the place where two streams or rivers flow together and become a larger stream or river
d) any stream or river that flows into another stream or river at a confluence

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