Alexis Science Review
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Carbon _____________ through the carbon cycle. | flows
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| What is a carnivore? | Meat eating animal
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| What is a herbivore? | plant eating animal
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| what is bacteria? | smallest organisms on earth
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| What is nitrogen used for? | Cycles of matter
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| What happens to the amount of energy when you move from the bottom of an energy pyramid to the top? | It decreases
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| How population spacing classified? | How the organisms are arranged in a given area
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| Give examples of fossil fuel: | Coal, oil, and natural gas
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| Give examples of renewable resources: | Sun, wind, water, and geothermic energy
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| Give examples of non-renewable resources: | Coal, oil, and natural gas (fossil fuel)
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| What are some examples that produces electricity without polluting: | Solar power
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| What is the energy source that causes the least amount of damage: | Wind
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| What is the largest source of usable water? | One percent (1%); groundwater under the earths surface
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| What is groundwater? | Water found under the earths surface
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| What is surface water? | Water found in rivers, lakes, oceans, and reservoirs.
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| Where do people usually build cities? | Near large bodies of water
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| Forests absorb_____________ to prevent global warming. | CO2 (Carbon Dioxide)
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| What is a soft, brown coal called? | Lignite
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| What is a type of geothermic energy source? | Geysers
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| What is fuel used in a nuclear power plant? | Uranium
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| What is a drawback to using nuclear fuel? | It produces the greatest amount of waste
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| What is splitting the nuclei of certain elements? | fusion
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| What converts energy from the Sun into energy? | Solar cells
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| Atoms are normally neutral electronically neutral because? | The protons which have a positive charge (+) and the electrons have a negative charge (-) cancel each other out
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| When will objects attract one another? | When they have an opposite charge
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| Give some examples of conductor? | Metal, copper
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| When does an electrical field get stronger? | When they get closer to the charge
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| Why is copper used in household wiring? | It is a good conductor
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| When the resistance in a electrical circuit increases, the current flowing in the circuit will do what? | Increases
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| What is the equation for power? | Power = (Current) x (Voltage)
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| Resistance is measures in what? | Ohm's
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| What is a circuit breaker used for? | To limit the amount of current in the wire.
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| What unit does electrical companies sell energy? | Kilowatts
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| Fossil fuel are the ancient decaying remains if ________ ? | plants and animals
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| ____________ is produced by splitting nuclei of certain elements. | Nuclear energy
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| The introduction of harmful waste products, chemicals, and substances into the environment is called? | Pollution
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| Pollution that comes from many different sources is called _____________ pollution. | non-point source
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| What kind of power would a large dam generate? | hydroelectric
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| ____________ is heat energy from Earth | Geothermic energy
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| What gases released by burning oil and coal mix with water in the air form, they form__________? | Acid rain
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| A(n) __________ is a mineral resources found in large enough quality to be mined at a profit. | Ore
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| Resources that cannot be replaced by natural processes in 100 years or less are called _______? | nonrenewable
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| ___________ is the energy from the Sun. | Solar energy
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| What is the water called that soaks into the ground and collects in small spaces between bits of rock and soil? | groundwater
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| Which is the following renewable energy resource cause the greatest waste hazard? | nuclear
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| _____________ is the careful use of resources with the goal of reduces damage to the enviroment | Conservation
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| How many years do scientist estimate we have left of our valuable reserves of oil? | 30-40 years
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| Once oil and natural gas have been formed, they will begin to ________ through the sourounding rock and pore water. | move upward
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| Accourding to your textbook, the best solution for air pollution is_____________? | better air cleaning methods
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| Plants and animals that die today need ___________ years to become fossil fuels | millions
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| Disadvantages to using solar energy include__________? | dependence on weather
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| Disadvantages to using wind energy include__________? | limited to certain regions
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| What is the difference between trees and forests as renewable or nonrenewable resources? | Trees are renewable, but forests are not.
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| Why is land a renewable resource? | It can be used over and over again
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| How much of earths total water supply is usable to humans? | Only 1%
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| What is the study of interactions among organisms and their environments? | ecology
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| This is the non living parts of the environment | abiotic factor
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| living or once living organisms that live in the environment | biotic factor
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| all the members of one species that live together | popullation
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| groups of populations that interact with eachother in a given area | community
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| made uo of biotic community and the abiotic factors that affect it | ecosystem
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| the part of Earth that supports life | biosphere
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| the number of individuals in a population that occupy a definite area | popullation density
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| any biotic or abiotic factor that limits the numbers of individuals a popullation | limited factor
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| any close interaction between two or more different species | symbiosis
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| the role or job, of an organism in the ecosystem | niche
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| a place where an organism lives | habitat
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| is a model, a simple way of showing how energy, in the from of food, passes from one organism to another | food chain
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| a series of overlapping food chains that exist in the ecosystem | food web
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| involes the processes evaporation, condinsation, and precipitation | water cycle
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| is an energy resource formed from the decayed remains of ancient plants and other organisms | fossil fuel
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| harmful waste products chemicals,and substances found in the enviroment | pollution
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| is producted when gases released, by burning oil and coal mix with, water, in the air to form acidic rain or snow | acid rain
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| resources that cannot be replaced by natural processes in less than about 100 years | nonrenewable
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| energy resources that can be recycled or replaced by natural processes in less than about 100 years | renewable
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| energy from the sun that is nonpolluting | solar energy
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| production of electricity using water | hydroelectric power
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| the heat from the magma and hot rock that surrounds it | geothermal energy
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| produced by splitting the nuclei of certain elements | nuclear energy
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| water that soaks into the ground and collects in small spaces | groundwater
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| some pollution comes from a single, identifiable source | point source
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| a source of pollution that can't be traced back to an location | nonpoint source pollution
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| teh careful use of resources with the goal of reducing damage to the enviroment | conservation
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| mineral resource that canbe mined at a profit | ore
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| a positively or negatively charged atoms | ion
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| this imbalance of static charge on a object | static charge
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| all charged objects that exert this on each other | electric force
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| electric charges exert a force on each other at a distance | electric field
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| a material in which electrons cannot move | insulator
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| materials that are conductors contain electrons that can move more easily | conductor
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| a rapid movement of excess charge from one place to another | electric discharge
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| this source of electric energy comes from this, which is the flow of electric charge | electric current
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| electric charges will flow continuosly only through a closed conducting loop | circuit
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| of a batterie is a measure of how much electric potential energy each electron can gain | voltage
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| the measure of how different it is for electrons to flow through a material | resistance
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| a circuit that has only one path for electrons to follow | series circuit
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| a circuit that has more than one path for the electric current to follow | parallel ciruit
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| the rate at which an appliance converts electric energy to another form of energy | electric power
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