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science
chapter 7//lessons 1-6
| Question | Answer |
|---|---|
| what part of the earth consists of water in the form of ice | the cryosphere |
| 2 soures of energy that drives the earth system | heat from sun and heat flowing out of earth as it cools |
| whats ultraviolet wavelengths | invisible form of energy with wavelengths that are shorter than wavelengths for violet light |
| what is greenhouse effect | trapping of heat near planets surface by gases in atmosphere |
| water heats slower than land because... | land heats faster because less energy required to heat land than water |
| infrared radiation is | longer wavelengths then red light |
| global winds develop by... | unequal heating of earth but over large area |
| what are sunspots | dark cooler regions on surface of sun |
| how are climates classified | temp and precipitation |
| drought- | long period of scarce rainfall or dry weather |
| ice ages- | periods of glacial advance |
| factors of climate change | movement of continents; changes in position of earth relative to sun; volcanic eruptions; changes in the suns energy output |
| when are tornadoes most likely to form in florida | feb-april |
| safest place to be during a tornado | storm shelter or basement |
| whats a storm surge | rush of water caused by powerful winds |
| whats important bout ozone layer | protects living things from uv rays |
| layers of atmosphere | troposphere; stratosphere; mesosphere; thermosphere |
| most abundent gas in atmosphere | nitrogen |
| what group of gases destroyed ozone layer | chlorofluorocarbons |
| livestock emits... | methane |
| gradual increse of atmosphere | global warming |
| gas added to atmosphere by burning fossis fuels | carbon dioxide |