Term
| A true statement concerning the physical properties of air is that |
|
Definition
| Warm air can hold more water vapor than an equal amount of cold air. |
|
|
Term
| What doesn't address how oceans affect climatic conditions on land? |
|
Definition
| Water cools Earth because it reflects the most sunlight. |
|
|
Term
| The thinning of the ozone layer |
|
Definition
| Occurs over both polar regions, is related to seasonal changes, and will take many years to reverse. |
|
|
Term
| What best describes the effect of a mountain range on the climate of a region? |
|
Definition
| The coastal side of the range usually has high levels of rain, A desert is often found on the inland side of the range, and Average temperatures are lower at high elevations than at the base of the mountains. |
|
|
Term
| As the amount of ozone in the stratosphere decreases.. |
|
Definition
| More ultraviolet light is able to reach Earth's surface. |
|
|
Term
| What gas is most responsible for the greenhouse effect? |
|
Definition
|
|
Term
| What would happen if the Earth wasn't tilted relative to the plane of its orbit? |
|
Definition
| Temperate regions would no longer have seasonal changes in climate |
|
|
Term
| Rain frequently results whenever... |
|
Definition
|
|
Term
| What statement regarding global warming is not accurate? |
|
Definition
| Only fossil fuels, not living plants release carbon dioxide when burned. |
|
|
Term
| Ozone holes appear in polar regions during springtime when ozone destroying |
|
Definition
| Chlorine atoms are released from polar stratospheric clouds |
|
|
Term
| What correctly states an observation that helps to explain circulation patterns in the atmosphere? |
|
Definition
| Warm air rises and cools as it rises. |
|
|
Term
| Chlorofluorocarbon molecules are environmentally significant because... |
|
Definition
| Their chlorine atoms can destroy many stratospheric ozone molecules |
|
|
Term
| The average global temperature has ____ during the 20th century |
|
Definition
| Risen some years and fallen others, but has increased overall |
|
|
Term
| Climate in a region is... |
|
Definition
| the long-term, prevailing atmospheric conditions. |
|
|
Term
| During summer in the Southern Hemisphere, the Northern Hemisphere experiences... |
|
Definition
|
|
Term
| Ultraviolet radiation is particularly dangerous because... |
|
Definition
| It can damage genetic materials in cells |
|
|
Term
| Latitude strongly influences climate because _____ solar energy falls on areas that are closer to the equator than to the poles |
|
Definition
|
|
Term
| A true statement about greenhouse gases is that they |
|
Definition
| Trap heat that is radiated upward from Earth |
|
|
Term
| What would not be a consequence of a rise in global temperature? |
|
Definition
|
|
Term
| La Niña is the ____ phase of the En Niño Southern Oscillation(ENSO) cycle. |
|
Definition
|
|
Term
| The critical difference between today's global warming and Earth's previous climate changes is that |
|
Definition
| Global warming may occur much rapidly than it did during previous climate changes |
|
|
Term
| What best describes the measurements of CO2 levels in the atmosphere since 1958? |
|
Definition
| CO2 levels are higher in winter and lower in summer, but winter "highs" have increased each year and the summer "lows" have not fallen as far |
|
|
Term
| How long will it take for chlorofluorocarbons released from Earth's surface today to reach the stratosphere? |
|
Definition
|
|
Term
| Which of the following locations would you expect to have a climate with mild temperatures and frequent rain |
|
Definition
| A coastal region at about 30 degree latitude. |
|
|
Term
| An important property of air circulation is |
|
Definition
| Cold air is denser than warm air |
|
|
Term
| What is the main reason why fewer nuclear power plants are being built today compared to 40 years ago? |
|
Definition
| Nuclear power plants have become too expensive to generate electricity at a reasonable cost |
|
|
Term
| Which of the following accurately describes the use of fossil fuels for energy? |
|
Definition
| At the present rate, we will run out of fossil fuels in about 250 years, Burning fossil fuels releases large amounts of carbondioxide into the atmosphere, fossil fuels account for 69 percent of the electricity generated in the US |
|
|
Term
| Electric generators work by... |
|
Definition
| Converting mechanical energy into electrical energy |
|
|
Term
| Oil and natural gas result from |
|
Definition
| The decay of tiny marine organisms that accumulated on the ocean floor millions of years ago. |
|
|
Term
| Inside the combustion chamber of a coal-fired power plant... |
|
Definition
| Burning fossil fuels release energy in the form of heat. |
|
|
Term
| Most of the energy consumed in the United States is used for |
|
Definition
|
|
Term
| The energy needs for the United States in the 1990s have |
|
Definition
|
|
Term
|
Definition
| Surrounded by a thick pressure vessel that is filled with a cooling fluid |
|
|
Term
| New nuclei and neutrons result from |
|
Definition
| the splitting of an atom's nucleus |
|
|
Term
|
Definition
| Must take place at extremely high temperatures |
|
|
Term
| Storage sites for nuclear wastes... |
|
Definition
| Should be located only in areas that are extremely geologically stable. |
|
|
Term
| Solar energy, or energy from the sun, is contained in |
|
Definition
|
|
Term
| A fuel's suitability is dependent on all the following factors except... |
|
Definition
|
|
Term
| How is electricity generated in a coal-fired power plant? |
|
Definition
| The heat generated from burning coal turns water into steam, which turns a turbine, thus running electric generator |
|
|
Term
| Which country uses the least amount of energy per person? |
|
Definition
|
|
Term
|
Definition
| Swamplands are buried by sediment. The added weight creates heat and pressure that converts the plants to coal |
|
|
Term
| Which of the following is an advantage of using fossil fuels for energy? |
|
Definition
| Versatility in their uses |
|
|
Term
| What doesn't help predict future oil production? |
|
Definition
| The number of oil refineries operating in the past |
|
|
Term
| During the process of nuclear fission |
|
Definition
| A neutron splits a uranium-235 atom, forming new elements and releasing several neutrons, plus energy |
|
|
Term
| In a nuclear power plant, |
|
Definition
| Solid neutron pellets undergo a chain reaction and release massive amount of heat |
|
|
Term
| Which of the following is an advantage of nuclear energy |
|
Definition
| It does not produce air pollution. |
|
|
Term
| What is not the main use of fuel? |
|
Definition
|
|
Term
| The energy in fossil fuels is often converted into |
|
Definition
|
|
Term
| Much of the oil and natural gas in the United States is located in |
|
Definition
| Alaska, Texas, California and the Gulf of Mexico |
|
|
Term
| Oil production is still increasing, but it... |
|
Definition
| Is increasing much more slowly than it did in the 1960s |
|
|
