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