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WorksheetsTX Aquatic Science Ch. 1 Quiz
Total questions: 20
Worksheet time: 20mins
What property of water allows it to attract or cling to itself in order to create surface tension so certain insects can walk on water?
state of matter
cohesion
polarity
specific heat
Water boils at _______ and freezes at ________.
32 oF and 212 oF
100 oC and 32 oF
212 oC and 32 oC
100 oF and 32 oC
How long would it take a human to die without drinking water?
about 1 month
about 1 week
3 days
all of the above
Water has 2 atoms of Hydrogen that are attracted to Oxygen. The Hydrogen atoms have what kind of charge?
neutral
negative (-)
positive (+)
polar
Chemists have given water a nickname because it is very good at dissolving many things. What is this nickname?
universal solute
universal dissolver
universal solvent
H2O
Of the 3% of freshwater that exists on Earth about ______% of that freshwater is found in polar ice caps and glaciers?
80%
71%
97%
1/2 of 1%
Most of the water used in the United States is used to grow surplus crops and build industries, but only ________ of the water used goes to our homes and cities for usage?
1%
one-tenth
3%
10%
Name two inorganic pollutants that can build up in a body of water which could lead to an explosion of growth of algae and plants.
carbon dioxide and H2S gas
phosphates and nitrates
manure and human sewage
ammonia and oxygen
Which property of water allows large bodies of water such as Lake Michigan to heat up very slowly while cooling off just as slow?
Great Lakes
specific heat
surface tension
state of matter
What sector of business/commerce is the biggest user of water?
Electrical Power
Sewage Plants
Agriculture
Industry
Which example of an aquatic ecosystem is not found in Texas?
Aquifer
River
Inland Sea
Bay
_________ water contains suspended material, such as dirt, silt, or mud particles.
Turbid
Lake
Spring fed
Arid
You may have seen air bubbles forced into an aquarium by a pump, when water is exposed to air, the water and air mix with water picking up oxygen. This process is called ____________.
thermal mixing
aeration
bubble fixation
conservation
Water covers about ______% of the Earth.
97
80
71
65
Water's fitness for a particular use that measures the amounts and types of pollutants levels in the water is called _________.
water quality
turbidity
pH
clarity
High levels of organic matter that decompose in a body of water can cause the levels of __________________ to be drastically reduced causing organisms to die.
ammonia
oxygen
algae
nutrients
The Federal Clean Water Act was passed to protect America's waters from misuse and pollution. Texas also has laws to protect the water within the state. Which agency in Texas has this duty to protect our natural resource?
US Environmental Protection Agency (EPA)
FBI
Texas Commission on Environmental Quality
Local Sheriff Department
Dead and decaying plant and algae matter quickly uses up the excess dissolved ____________ creating a zone that results in the death of fish and other animals?
nitrogen
carbon dioxide
oxygen
nitrates
Most toxic pollution that enters the water comes from?
manufactured chemicals
organic matter from animals
excess heat
human sewage
As water freezes, water molecules align into a regular structure creating ice that _____________?
expands in volume and becomes more dense than liquid water
reduces in volume and becomes less dense than liquid water
expands in volume and becomes less dense than liquid water
none of the above
