| 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 |
Buen Viaje lv.2 ch 8
