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49 Cards in this Set
- Front
- Back
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What are some drought resistant landscape plants?
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Native Plants
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What are 2 Kansas water problems?
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1. Much of water used evaporates.
2. High # of aquatic endangered species |
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How much water is used globally on agriculture?
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70%
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How much water is used globally on industry?
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20%
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How much water is used globally on residential?
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10%
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Where does most pollution come from?
And some examples of that pollutant... |
Surface runoffs
Ex. fertilizers, oil, antifreeze |
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How much water on the planet is usable by humans?
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Less than 1%
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Name 3 non-renewable resources.
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Oil, coal, natural gas
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What is the rule for exploiting resources?
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resources can be exploited but ONLY IF the rates equal to the creation of reusable substitutes.
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What should harvest rates not exceed
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regeneration rates
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How much has the bp oil spill cost?
What is one negative result? |
$12.5 billion and rising
Oil seeps in to land and some organisms eat this. |
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How much has hurricane Katrina cost?
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$60-125 billion
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What is example used for the barrier islands
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These wetlands are disappearing and they protect the east coast from hurricanes.
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What is the estimated annual value provided by nature?
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$16-54 trillion annually
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3 properties of a Covalent Bond
-What type of bond, what does it form, carbon... |
1. Strong bond
2. forms molecules 3. carbon is an extrovert (likes to bond with other things) |
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3 properties of an Ionic Bond
-what type of bond, what does it form, what do the atoms become |
1. weak bond
2. forms compound 3. each atom becomes an ion |
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3 properties of a hydrogen bond
-how is it made, what is the charge, what does it make |
1.made with bond between H molecule and O molecule
2. each side is slightly charged 3. makes water |
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what determines bonding?
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electrons
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what is a radioactive isotope?
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the nucleus decays and emits particles and energy
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what is the difference in the number of neutrons?
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isotope
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what determines the element?
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protons
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Name 7 types of water
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wetlands, glaciers, rivers & streams, lakes & ponds, atmosphere, groundwater, aquifer
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What are 3 examples of wetlands
and 3 functions |
1. marshes
2. swamps 3. estuaries 1. serve as filler for water 2. returns water to groudwater 3. animal diversity |
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what can create unequal distribution of water? 4 examples
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1. droughts and flood
2. desertification 3. dif. strata hold dif. amounts of water. 4. rainshadow |
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what drives the hydrolic cycle?
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solar energy
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3 states of water
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solid, liquid, gas
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5 properties of water
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high surface tension, high heat capacity, strong cohesiveness, lower density when frozen, good solvent
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2 examples of agricultural waste
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crop residue
animal manure |
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what type of waste does the U.S produce the most of
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municipal waste
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Explain trash vortex
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trash is sitting in mass quantities in parts of the ocean because of ocean currents
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what happens to most industrial waste?
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most is recycled, destroyed, or in private landfills
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what is a negative effect of incineration
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releases carbon dioxide into the atmosphere
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what is composting
what can be broken down |
breaking down organic waste
-potato peels, egg shells, paper |
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why is reusing better that recycling
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less energy is used in converting a new product
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why is reducing better than reusing?
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minimal to no packaging
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2 examples of life viewed from chemical perspective
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1. food digested by cells
2. photosynthesis or respiration |
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2 examples of non-living examples of life
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1. iron in the body
2. 65% of body weight is oxygen atoms |
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what are the top 4 elements found in your body
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oxygen carbon hydrogen nitrogen
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what makes up an element
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atoms
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4 examples of water problems
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getting clean water, who pays for it?, new ways to conserve it, waste water treatment
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3 examples of soil problems
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dealing with mono cultures, reducing soil erosion, reducing deforestation
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how much of the world is in poverty
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1/5
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2 benefits of economic resources
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1. can make more resources available
2. can raise standards of living |
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what are the 2 types of science
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1. based on curiosity
2. discovery science |
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5 steps of the scientific method
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O,H,TP,E.C
1.observations 2.hypotheis 3.make a testable prediction 4. conduct experiment 5. conclusion |
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Hypothesis definition
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proposed explanation for a phenomenon
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Theory definition
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hypothesis proposed explanation for a phenomenon
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large size scales
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ecosystems, populations, communities
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small size scales
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the cell (smallest unit of life)
two types of cells:prokaryotes or eukaryotes |
