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105 Cards in this Set

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  • Back
What is the bond angle of water?
104.5
What % of US farmland is inside the Great Lakes Basin?
7%-14%
What atom in water has a partial positive charge?
hydrogen
What happens to water when it freezes?
it gets less dense
If all the water on Earth was 4000mL, how many mL are frozen polar ice caps and glaciers?
83mL
If all the water on Earth was 4000mL, how many mL is readily available fresh water?
0.36mL
What atom in water has a partial positive charge?
oxygen
What type of bonding holds the atoms of a single water molecule together?
polar covalent
What type of bonding attracts water molecules to each other?
hydrogen bonding
What temperature does water freeze at under STP?
32°F/0°C
What temperature does water boil at under STP?
212°F/100°C
How old is the earth?
4.5 billion years Old
How old is the solar system?
5 billion years
What % of the US population lives in the Great Lakes Basin?
10%
At what temperature is water most dense?
4°C
How long is 1 Astronomical Unit?
93 million miles
What % of US farmland is inside the Great Lakes Basin?
7%-14%
What atom in water has a partial positive charge?
hydrogen
What happens to water when it freezes?
it gets less dense
If all the water on Earth was 4000mL, how many mL are frozen polar ice caps and glaciers?
83mL
If all the water on Earth was 4000mL, how many mL is readily available fresh water?
0.36mL
What atom in water has a partial positive charge?
oxygen
What type of bonding holds the atoms of a single water molecule together?
polar covalent
What type of bonding attracts water molecules to each other?
hydrogen bonding
What temperature does water freeze at under STP?
32°F/0°C
What temperature does water boil at under STP?
212°F/100°C
How old is the earth?
4.5 billion years
How old is the solar system?
5 billion years
What % of the US population lives in the Great Lakes Basin?
10%
At what temperature is water most dense?
4°C
How long is 1 Astronomical Unit?
93 million miles
What do xylem do?
they carry nutrients and water up from the roots to the leaves
What do phloem do?
they carry food down from the leaves
What are stoma?
they are openings on the underside of leaves where transpiration occurs
Where is water stored in the plant?
in water vacuoles
When the guard cells are ________ the stoma is open.
turgid
When the guard cells are ________ the stoma is closed.
flacid
What is plasmolysis?
the process of wilting
What does ubiquitous mean?
everywhere
What is the form of carbon that is made of sturdy tetrahedral bonds called?
diamond
Q=MC∆T
what does Q stand for?
energy
Q=MC∆T
what does M stand for?
mass
Q=MC∆T
what does C stand for?
specific heat
Q=MC∆T
what does ∆T stand for?
temperature change
What is the specific heat of liquid water?
4.184J/gºC
What is water's energy of fusion?
6.00kJ/mol
What is water's energy of vaporization?
40.70kJ/mol
What is evaporation?
the process by which water changes from a liquid to a gas or vapor
What is precipitation?
water released from clouds in the form
What is transpiration?
the process by which plants release water into the atmosphere
What are guard cells?
cells that control the opening and closing of the stomata
What is runoff?
water from precipitation that flows across the gound to bodies of water
What is percolation?
the downward movement of water through soil
What is groundwater?
water that exists in the ground
What is an aquifer?
a layer of water-bearing permeable rock, sand, or gravel capable of providing significant amounts of water
What is solar energy?
radiant energy from the sun
What is a water table?
the top of the water surface in the saturated part of an aquifer
What is the name of the largest US aquifer?
the Ogalla Aquifer
What is medicinal runoff?
runoff that consists of antibiotics and growth hormones
What is the CHZ?
the Continously Habitable Zone
Why is the level of estrogen in the water supply rising?
because of birth control pills and chlorinated compounds (mimic estrogen)
What are 6 non-native species living in the Great Lakes Basin?
lamprey eel, purple loosestrife, round goby, zebra mussel, spiny water flea, ruffe
How many cubic miles of water is contained in the Great Lakes Basin?
5,500 cubic miles
What % of Great Lakes water drains into the Atlanic each year?
less than 1%
How many miles of shoreline do the Great Lakes supply?
10,000 miles
What % of the world's available fresh water supply is in the Great Lakes?
18%
How many square miles do the Great Lakes cover?
94,000 square miles
How many square miles does the Great Lakes Basin cover?
295,7000 square miles
What percentage of the US population lives in the Great Lakes Basin?
10%
How many people live in the Great Lakes Basin?
40 million??
How many people use the Great Lakes Basin for drinking water?
25 million??
What types of pollutants are considered Critical Chemicals of Concern?
DDT, PCBs, dioxin, lead, mercury, etc
What are lipophilic compounds?
they become more concentrated in each trophic level, being deadliest to the highest in the food chain
Why are non-native species dangerous to the ecosystem?
thye try to take over a niche already occupied by another organism in the ecosystem, and may have no natural preadators in the new ecosysytem
What is the largest Great Lake?
Superior
What is the smallest Great Lake?
Erie
How many ships pass through the Soo Locks each year?
about 10,000
What Great Lakes do the Soo Locks connect?
Lake Huron and Lake Superior
How many species are rare or only found in the Great Lakes Basin?
100 species
How many tons of cargo pass through the Great Lakes Basin each years?
nearly 50 million tons
How much money is spent each year on fishing in the Great Lakes Basin?
$4.5 billion
Name the 5 Great Lakes.
Huron, Ontario, Michigan, Erie, Superior (H.O.M.E.S.)
Name the states/provinces of the Great Lakes Basin.
Minnesota, Wisconson, Illinois, Indiana, Michigan, Ohio, Pennsylvania, New York, Quebec, Ontario
What kind of energy do photosynthesizing autotrophs use?
radiant energy
What kind of energy do chemosynthesizing autotrophs use?
electrical energy
What kind of energy do heterotrophs use?
chemical energy
What is the modern definition of organic chemistry?
the study of molecules consisting of carbon to carbon bonds
Where is ADP restored into ATP?
in the mitochondrea
What does sellenium do for the body?
prevents blood clots
What does copper do for the body?
aids vision
What does calcium do for the body?
helps build strong bones, allows brain to send messages to muscles
What is the balanced equation for cellular respiration?
6 O2 + 6 H2O + ADP + P -> C6H12O6 + CO2 + ATP
What is a population?
a group of organisms of the same species
What is a community?
a group of populations of differing species
What is the charge on a phosphate group?
-3
What kind of bonds form between the phosphates in the phosphate group?
high energy
What % of humans is water?
65%
What 6 major elements make up all living organisms?
C, H, O, N, P, S
What is an autotroph?
an organism that derives energy from photosynthesis
What is a heterotroph?
derives energy from organic molecules
What does ATP stand for?
Adenosine Triphosphate
What does zinc do for you body?
acts as an enzyme to make it possible for DNA to replicate
What is a watershed?
an area where all the precipitation flows into a single body of water
What is an ecosystem?
all living and non-living things in an area
What is another name for red blood cells?
erythrocytes