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WorksheetsHydrology
Total questions: 20
Worksheet time: 10mins
Name
Class
Date
1.
When water vapor changes to liquid water
a)
evaporation
b)
condensation
c)
humidity
d)
precipitation
2.
. The flat area of the ocean basin is called the
a)
Ocean floor
b)
The Abyss
c)
Continental rise
d)
Abyssal Plain
3.
Why is most of Earths freshwater is not available for human use.
a)
because it's in the ground
b)
because it's frozen in ice caps and glaciers
c)
because of pollution
d)
because of global warmin
4.
What percent of Earth’s water is freshwater
a)
1%
b)
2%
c)
3%
d)
5%
5.
What is Salinity?
a)
how much salt is in any given liquid
b)
salt on the rocks
c)
how much salt is in takis
6.
The edges of the continents slopes down from the shore into the ocean
a)
continental rise
b)
continental slope
c)
continental shelf
7.
What is Nekton and where can they be found in the ocean? (top/middle/bottom)
a)
living organisms the are found in the top/surface zones of the ocean
b)
living organisms found in the bottom/midnight zones of the ocean
c)
living organisms found in the middle/twilight zones of the ocean
8.
What technology is used to measure the depth of the ocean?
a)
submarine
b)
sonic
c)
sonar
9.
What causes deep ocean currents?
a)
moon's gravitational pull
b)
temperature, density, salinity
c)
wind
10.
27. What area of the ocean floor would have the greatest amount of pressure being exerted?
a)
trench
b)
Rift Valley
c)
seamount
11.
What are mid ocean ridges and why are they important?
a)
volcanic islands that are still active
b)
underwater mountain range that creates new sea floor
c)
Part of the Himalayan mountain range
12.
How do clouds form?
a)
smoke from factories
b)
when condensation near land freezes
c)
when water vapor condenses and cools
13.
What gives the water cycle its energy
a)
sun
b)
moon
c)
fire
d)
ice
14.
The steep slope where the continental shelf drops to the bottom of the ocean floor
a)
continental shelf
b)
continental slope
c)
continental rise
d)
continental breakfast
15.
What is the most abundant (most common) salt in the ocean?
a)
sodium
b)
chloride
c)
sulfate
d)
other
16.
What is the Coriolis effect and why is it important in understanding surface currents?
a)
earth's rotation that causes currents in the northern hemisphere counterclockwise and southern hemisphere currents to move clockwise
b)
earth's rotation that causes currents in the northern hemisphere to move clockwise and southern hemisphere currents to move counter clockwise
17.
This is when water falls back down to the earth as rain, hail, sleet or snow
a)
partnership
b)
promotion
c)
precipitation
d)
participation
18.
What percent of Earth’s water is saltwater
a)
79%
b)
98%
c)
3%
d)
97%
19.
What is porosity?
a)
how the holes change in rocks without water
b)
how much time it takes water to run through rocks
c)
how much water can be held in rocks and other earth's substances
20.
This occurs when there is an abundance of water vapor suspended in the air
a)
frost
b)
heat
c)
humidity
d)
dew
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