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WorksheetsHydrosphere
Total questions: 45
Worksheet time: 39mins
Name
Class
Date
1.
How could pesticides get into lakes and streams?
a)
too much could be used
b)
it could be sprayed too close to a stream
c)
rain could wash pesticides into a stream
d)
all of the above
2.
Water with high turbidity
a)
is cloudy and hard to see through
b)
is clear
3.
What is C?
a)
Evaporation
b)
Condensation
c)
Precipitation
d)
Runoff
4.
Where is most of the freshwater found on Earth?
a)
lakes
b)
glaciers
c)
oceans
d)
rivers
5.
Approximately what percentage of Earth's water is SALT water?
a)
97 %
b)
71%
c)
30%
d)
3%
6.
Which of the following is an effect of excess fertilizer washing into streams and lakes?
a)
the pH is too low for plants and animals
b)
cooler water holds more oxygen
c)
increased sediment reduces oxygen
d)
algae "blooms", leading to lower oxygen
7.
Are wetlands GOOD or BAD for the environment?
a)
Good
b)
Bad
8.
mixed in with the water molecules of any body of water are molecules of oxygen gas (O2) that have dissolved in the water, levels below 3 mg/L are stressful to most aquatic organisms
a)
Sediment
b)
pH
c)
Nitrogen
d)
Dissolved Oxygen
9.
Cooler water temperatures are better because
a)
Cold water holds more dissolved oxygen
b)
Cold water makes it harder for bacteria to grow
c)
Both are reasons why cool water is beneficial
10.
High turbidity indicates poor water quality because
a)
it clogs the gills of aquatic animals and makes it difficult to breathe
b)
it makes it hard for sun to get to the aquatic plants
c)
it makes it hard for aquatic animals to find their food
d)
all are reasons high turbidity indicates poor water quality
11.
The presence of pollution intolerant macroinvertebrates like stonefly and caddisfly indicates
a)
good quality water
b)
poor quality water
12.
What is dissolved oxygen?
a)
The amount of O2 dissolved in water
b)
The amount of CO2 dissolved in water
13.
This is the enrichment of water with nutrients such as phosphorous and nitrogen which causes algal blooms
a)
Phytoplankton
b)
Eutrophication
14.
Turbidity measures the what of water?
a)
level of pH
b)
clarity
15.
pH measures the concentration of what type of ions?
a)
Helium
b)
Hydrogen
16.
Point Source Pollution has no known or direct source.
a)
False
b)
True
17.
an area of land that is drained by a specified river or other body of water
a)
Marsh
b)
Estuary
c)
Watershed
d)
Tidal Pool
18.
Most of Earth's freshwater is in the form of
a)
clouds
b)
ice
c)
rocks
d)
dirt
19.
What is B?
a)
Evaporation
b)
Condensation
c)
Precipitation
d)
Runoff
20.
Water stored below the Earth's surface is called:
a)
Groundwater
b)
Bogs
c)
Water in the ground
21.
When water soaks the ground it becomes groundwater through what process?
a)
Runoff
b)
Infiltration
c)
Transpiration
22.
The ability of a liquid to flow through a substance is:
a)
Porosity
b)
Permeability
23.
What is an underground layer of rock or soil filled with water called?
a)
Aquifer
b)
Spring
c)
Well
d)
Reservoir
24.
What is a river that flows into another river?
a)
reservoir
b)
watershed
c)
tributary
d)
stream
25.
Most of Earths surface water (97%) is salt water found in oceans
a)
True
b)
False
26.
When water _________, dew forms.
a)
Melts
b)
Evaporates
c)
Condenses
d)
Precipitates
27.
What type of precipitation forms when raindrops fall through cold air and freeze before they hit the ground?
a)
Rain
b)
Freezing Rain
c)
Sleet
d)
Snow
28.
Which of the following is NOT a reason studying the ocean floor is difficult?
a)
Too Dark
b)
Too Bright
c)
Too Much Pressure
d)
Too Cold
29.
As you travel deeper in the ocean...
a)
Temperature increases
b)
Light increases
c)
Pressure decreases
d)
Temperature decreases
30.
What term describes the longest underwater mountain range?
a)
Mid-Ocean Ridge
b)
Trench
c)
Seamount
d)
Volcanic Island
31.
What term describes a deep canyon on the bottom of the ocean floor?
a)
Abyssal Plain
b)
Continental Shelf
c)
Trench
d)
Seamount
32.
The higher the temperature of ocean water the ______________ salt can be dissolved in it?
a)
Less
b)
More
c)
Same
d)
No difference
33.
What term is the measure of dissolved salts in water?
a)
Thermocline
b)
Salinity
c)
Saltiness
d)
Tides
34.
Are gases dissolved in the ocean if so, what are they?
a)
No.
b)
Yes, oxygen and carbon dioxide.
c)
Yes, Oxygen only
d)
Yes, oxygen, carbon dioxide, and nitrogen.
35.
Which of these are important sources of drinking water in the US?
a)
Rivers
b)
Lakes
c)
Reservoirs
d)
All options are correct
36.
What is the first step in the water treatment process?
a)
coagulation
b)
filtration
c)
flocs
d)
concentation
37.
When solid water goes directly to the gaseous state...
a)
evaporation
b)
sublimation
c)
transpiration
d)
precipitation
38.
Which is not a form of precipitation?
a)
rain
b)
hail
c)
snow
d)
morning dew
39.
Streams, rivers, and lakes are examples of...
a)
surface runoff
b)
ground water
c)
aquifers
d)
water tables
40.
Water is special because it has a positive and negative part to its molecule. This makes it...
a)
magnetic
b)
hybrid
c)
polar
d)
electric
41.
Cohesion is when water sticks to...
a)
itself
b)
something else
42.
Adhesion is when water sticks to...
a)
itself
b)
something else
43.
About this much of Earth is covered in water...
a)
3%
b)
50%
c)
70%
d)
90%
44.
One of these is NOT runoff. Which one?
a)
a stream
b)
a lake
c)
a river
d)
a water table
45.
Good aquifers have...
a)
high porosity & permeability
b)
low porosity & permeability
c)
high porosity & low permeability
d)
low porosity & high permeability
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