Question | Answer |
Dirty brown haze caused by exhaust fumes from automobiles | smog |
An orange looks orange because it______________ all colors except orange. | absorbs |
A plum looks purple because it ______ purple light and absorbs all other colors | reflects |
The part of earth where life exists is called the________________. | biosphere |
Biospheres contains__________ which are made up of________,which are made of_______,which are composed of_______of different species. | biomes,ecosystems,communities,populations. |
___________is caused by internal friction of electrons moving through an object. | resistance |
Earth's magnetic poles are located in | Canada and Antarctica |
Coal, oil, and gas are called _______ fuels | fossil |
Fossil fuels are __________ resources | nonrenewable |
Trees, wind and water are called__________ resources. | renewable |
A magnetic rock called_________ was used in the first compasses. | lodestone |
Chlorofluorocarbons(CFC's) destroy _______ in the atmosphere and are not used anymore in refrigerants. | ozone |
____________flows through an ecosystem, from the ______, to producers then to___________. | Energy, sun, consumers |
A________ is usually established as the end result of ecologicalsuccession. | climax community |
Nutrients move through the biosphere in ____________ cycles. | biogeochemical |
The effect where one vibrating object causes another object to vibrate at the same natural frequency. | resonance |
In the ocean, the process of ________occurs in the photic zone. | photosynthesis |
During___________ growth, the population grows quickly with few animals dying | exponential |
According to the nebular model,the solar system formed from a cloud of_______and _______. | dust, gas |
Electric motors and generators both___________ energy into different forms | transform |