Science final

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cars: In the U.S ____ are responsible for much of the make up of smog
sulfuric acid: Acid rain is created when emmisions from coal burning power plants combine with moisture to form ____ _____
shells: some marine animals use the calcium is water to form _____
cold: currents on the western coasts of continents are usually _____ because they are near the poles
non-point source pollution: polution that enters a body of water from a large area is called __________
isobar: line connecting points of equal atmospheric pressure
in a cold front the cold air sinks underneath the warm air, in a warm front a warm air mass meets a cold air mass and the less dense air goes above the more dense air: what is the difference between a warm front and a cold front
humid areas: acid rain is more of a problem in ______
point source pollution: pollution that enters the water from a specific location
Mediterranean intermediate waters: dense water from the mediterranean reaches the atlantic it flows to depth of 1,000m to 2,000m forming the ________
left: most currents south of the equator turn _____
Ethics: ________ deals with moral values about what is good or bad
lignite: soft brown coal made from peat is called ________
wavelength: the horozontal difference between the crests or troughs of two adjacent waves is called ______
volcanoes: some of the substance dissolved in seawater come from _______
particulate matter: consists of fine solids and liquid droplets
upwellings: when vertical circulation brings deep cold water to the surface
cumulus: thick puffy clouds are called ______ clouds
energy: in a wave only the ______ moves forward
sulfur: some coal contains high amounts of ________
right: the Coriolis affect cause most currents North of the equator to turn to the _____
technology: what is the use of knowledge to make or produce tools
hypothesis: What is an educated guess or statement that can be tested
meteorologist: a __________ forecasts the weather using data collected from many sources
natural gas: what forms is a gaseous state under similar conditions as oil
salinity: the density of seawater is affected by temperature and ________
wall cloud: tornadoes form from a type of cumulonimbus cloud called a ____ _____
increases: as a water wave approaches the shore the wave hieght ________
laws: Newton's observations about motion are examples of scientific ______
recycling: using old materials to make new ones is known as ___________-
sea level: as the trough of a wave thousands of kilometers long approaches the shore ______ _____ seems to drop
front: a _______ forms where cold and warm air masses meet
ore: large enough amount of a mineral that it can be mined for a profit
stratus: low layered, gray clouds that produce drizzle are called ________ clouds
sewage: human waste that goes into drains is called __________
volcanoes: scientists THINK that the water in the ocean is water vapor released by _________ into the atmosphere
Air mass: A ________ is a large body of air that has the same properties as Earth's surface over which it developes
maps: In 1850 Joseph Henry secretary of the smithsonian institution started drawing ______
trough: the lowest point of the wave is called the _____
clouds: millions of drops of water suspended in the sky
high tide: occurs when the crest of a wave thousands of kilometers long approaches the shore
neap: when the sun, the moon and the earth form a right angle we have _______- tides
gangue: what is a waste rock that must be removed before a mineral can be used
chlorofourocarbons: diplomats from around the world have focused on eliminating the use of __________
Science: a process of observing, studying and thinking about things to gain knowledge
tropical seas: Hurricanes form over __________
smelting: a chemical proccess that removes unwanted elements from the metal being processed
low pressure systems: One place where ________ form is along fronts
solar, wind, geothermal: give three examples of inexhaustible energy
the air's sinking motion makes it difficult for air to rise and clouds to form: high pressure generally means good weather, because _________
sleet: raindrops that pass through a layer of freezing air near the ground become _______
wave height: as a wave slows and its crest and trought move closer together the ___ ______ increases
sodium and chloride: most of the salt in seawater is made up of ______ & _____
relative humidity: what is the measure of the amount of water vapor in the air compared to the amount needed for saturation
surface current: water that moves parralel to earth's surface is a _____
weather: the present state of the atmosphere
smog: a combination of smoke and fog is called _____
sun: the interaction of air, water and _______ results in weather
Earth's rotation: the Coriolis effect is caused by _______
gravitational pull: tides are caused by a giant wave produced by _______ ___________
tidal range: the difference between the level of the ocean at high tide and at low tide is called the ________
fog: stratus clouds that form near the ground
non-renewable resources: resources used faster than the Earth can replenish them are called _______
photochemical smog: a brown smog formed with the aid of sunlight is called ________
variable: what is a factor in an experiment that can change
front: a boundary formed by two colliding air masses
laws: Scientific _________ explains what will happen, but not why
a build up of positive and negative charges in clouds: Lightning results from ________
sulfurous smog: burning fossil fuels in electrical power plants helps create
surface currents: currents that are powered by wind are called ____
they follow the scientific method and never let personal bias affect the outcome of the experiment: How do scientists deal with ethics in their jobs
isotherm: a line that connects points of equal temperature is an _______
station model: weather information collected by meteorologists at specific locations
scientific theory explains why something happens, scientific law just states that it will happen: what is the difference between scientific theories and scientific laws
scientific method: problem solving by following steps to draw a conclusion is known as the __________ ______
fossil fuels: coal, oil and natural gas that are formed from decaying plants over millions of years are called
shore: if you see breakers, you know you are looking at waves near ____
air pressure: great masses of air molecules pushing down from above
tornado: violent whirling wind associated with thunderstorms
burning fossil fuels: one cause of air pollution is _______
heat: surface currents distribute ______ from equatorial regions to other areas of Earth
National Weather Service: In 1970 in the U.S. the Weather Bereau was renamed the __________ _________ __________
in circles: how do water wave particles move
gravitational force: tides are essentially the result of _______ ______-
hydrocarbons: what are compounds containing hydrodgen and carbon atoms
cold: violent storms generally form along _______ fronts
methane hydrates: stable molecules that contain carbons and are formed below sea level under low temperature and high pressure is called
fertilizers and pesticides: farms often pollute water through the use of __________
cirrus: the highest clouds are known as _______
ozone: sunlight reacts with waste gases to form _____
desalination: salt may be removed from seawater in ____
observations and experiments: Scientists use what to find answers to problems
Barometer: What instrument is used to measure air pressure
Dependant variable: the variable being measured is the _______ _______
North Atlantic deep water: Dense, cold water around, Norway, Greenland and labrador sink to the sea floor and form the lower layer of the _______
tornado: a violent, whirling wind that moves in a narrow path over land is called a ______
independant variable: the variable that changes is the __________ ________
constants: What are the variables that do not change in an experiment
radio active waste: what is one of the disadvantages of nuclear energy
meteorologist: a person who studies weather
lungs, blood and eyes: air pollution affects people's _____
cirrus: high, white feathery clouds associated with fair weather are ______ clouds
bias: personal opinion that may affect experiments
basins: the oceans (supposedly) originally formed from water vapor that condensed, fell as rain and then collected in _______
drift mining: the removal of coal that is not close to earth's surface through a horozontal opening in the side of a hill or mountain is called
the air near the ground cools to it's dew point: water droplets can form on surfaces at night when the air is clear because _______
dew point: the temperature at which air is saturated and condensation begins is know as the _______
spring: the highest tides are ______ tides
saturated: when air holds all the water vapor it possibly can, we say it's _____
they form under similar conditions: how are tornadoes and thunderstorms related
peat: what is a layer of organic sediment
slowly: density currents spread out ______ along the sea floor
1600's: Weather instruments such as the thermometer and the anemometer were invented in the ________ in Italy
decrease: the density of seawater can be increased by a _________ in temperature
warm, moist: an air mass that forms off the south east coast of the U.S is __________
isotherm: line connecting points of equal temperature
alchohol: Biomass energy is derived from burning organic materials such as wood, garbage and ______
coal: what is the most abundant fossil fuel in the world
a ph scale, an acid or a base: a measure of the strength of acid can be obtained by using
isobars connect points of equal atmospheric pressure, isotherms connect points of equal temperature: what is the difference between isobars and isotherms
control: what is a standard to which experimental results can be compared
bacteria, runnoff from mines, oil and gasoline: water pollutants include _______
putting scrubbers on power plants: air pollution can be controlled by ____________
precipitation: when moisture condenses and falls to the ground as rain, snow, sleet or hail we are enperiencing _______
density current: when more dense seawater sinks under less dense seawater a ____ forms
damage to buildings and forests: a consequence of acid rain is
blocking off air circulation: mountains can contribute to smog by __________
use public transportation: a way for individuals to reduce air pollution is to ________
more: at higher temperatures air can hold ______ moisture than at lower temperatures

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Number of cards 129