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NDQ_005774
omnivores only eat organisms from the plant and animal kingdoms.
c. true, d. false
b
NDQ_005775
decomposers break apart dead organisms and their waste material to return them as nutrients to the ecosystem.
a. true, b. false
a
NDQ_005776
which is a type of scavenger?
a. lion, b. hyena, c. deer, d. bear
b
NDQ_005777
the pollinator-plant relationship is an example of mutualism because
a. the pollinator gets food and the plant is not harmed, b. the pollinator is not harmed and the pollen is spread to other locations, c. the pollen lives off the pollinator until it dies, d. the pollinator gets food and the pollen is spread to other locations
d
NDQ_005778
competition occurs between species that try to use the same resources.
a. true, b. false
a
NDQ_005779
symbiosis is
a. a relationship between two interacting species where no one benefits, b. a relationship between two interacting species where one or both benefits, c. a relationship between three interacting species where one benefits, d. none of the above
b
NDQ_005780
a tapeworm living in the stomach of a human is a type of which symbiosis:
a. commensalism, b. mutualism, c. parasitism, d. both a and b
c
NDQ_005831
a hypothesis will not be fully accepted unless it is supported by nearly all scientists.
a. true, b. false
a
NDQ_005832
what will happen after a paper is published?
a. it gets incorporated into other scientists research, b. it can be thrown out if it cannot be replicated, c. it will be read by the scientists in that field, d. all of the above
d
NDQ_005834
science students need to know learn not to fake, hide or eliminate data.
a. true, b. false
a
NDQ_005835
if science is done well, other scientists will undoubtedly accept the work as the truth.
c. true, d. false
b
NDQ_005836
scientific experiments must be able to be replicated to protect the integrity of science.
a. true, b. false
a
NDQ_005837
scientists who are part of a peer review can
a. recommend or deny a paper for publication, b. only recommend a paper for publication, c. only deny a paper for publication, d. do nothing about the paper for publication
a
NDQ_005838
although a study may take place in a single laboratory, a scientist must present his/her work to:
a. the community of scientists in the field, b. the neighbors, c. friends, d. family members
a
NDQ_005839
published scientific studies are very likely to be accurate because they
a. are based on the beliefs of the scientists who published them, b. are almost certain to have been done using scientific method, c. were performed by scientists, d. all of these
b
NDQ_005840
facts are based on observations.
a. true, b. false
a
NDQ_005841
__________________ is factual information not subject to bias.
a. interpretation, b. analysis, c. data, d. opinion
c
NDQ_005842
many scientific studies have found that colds are caused by viruses. what is this?
a. fact, b. interpretation, c. analysis, d. opinion
a
NDQ_005843
which one of these statements is a fact?
a. leos have more fiery personalities than people with other astrological signs, b. you are the nicest person in the world, c. bill gates is the smartest man in the united states, d. bill gates is the wealthiest man in the united states
d
NDQ_005844
which one of these statements is an observation?
a. susan has itchy eyes, b. colds are caused by viruses, c. echinacea cures colds, d. susan has a runny nose so she has a cold
a
NDQ_005845
how do scientists test questions?
a. make observations, b. evaluate information, c. do experiments, d. all of the above
d
NDQ_005846
scientists usually begin an investigation with an experiment.
a. true, b. false
b
NDQ_005847
based on susan sneezing and having itchy eyes, one can conclude that she has a cold.
a. true, b. false
b
NDQ_005848
which of these statements is not testable?
a. the average global temperature is rising, b. each of us has a guardian angel, c. leos are fiery and self-assured, d. colds are caused by viruses
b
NDQ_005850
a good scientific question has to be ___________________.
a. true, b. testable, c. always wrong, d. always correct
b
NDQ_005851
the scientific method is a linear process with one step leading to another in the same way each time.
a. true, b. false
b
NDQ_005852
which of these is a good scientific question?
a. what happens when we die?, b. is shailene woodley a good actress?, c. would your best friend enjoy being a lawyer or a flight attendant more?, d. do humans and chimpanzees share a common ancestor?
d
NDQ_005853
people using the scientific method usually start with
a. a hypothesis, b. a conclusion, c. a set of experiments, d. a question
d
NDQ_005854
which of these questions is a good scientific question?
a. how many angels can dance on the head of a pin?, b. what is the age of our planet?, c. how many ghosts are there in the room?, d. can psychics help you win the lottery every time?
b
NDQ_005855
a scientific question can be based on
a. one or more observations, b. data from a past experiment, c. the data and analysis contained in a published scientific paper, d. all of the above
d
NDQ_005856
which one of these statements does not lead to a good question for the scientific method?
a. the amount of carbon dioxide in the air is increasing, b. oranges are sometimes sweet and sometimes sour, c. i won the lottery because i visualized it happening, d. the earth is as old as the sun
c
NDQ_005857
the amount of carbon dioxide in the atmosphere is decreasing.
a. true, b. false
b
NDQ_005858
why do scientists use the scientific method?
a. to ensure that experiments are done in an unbiased and standardized way, b. so that other scientists can duplicate the experiment, c. to support or refute a hypothesis without bias, d. all of the above
d
NDQ_005859
after finding out that carbon dioxide is increasing in the atmosphere, what would be a good question to try to answer with an experiment?
a. what is causing the increase in carbon dioxide in the atmosphere?, b. which other greenhouse gases are increasing in the atmosphere?, c. what is the effect of increasing atmospheric carbon dioxide on the atmosphere?, d. all of the above
d
NDQ_006121
put the layers of the atmosphere in order from the lowest altitude to the highest altitude.
a. troposphere, mesosphere, thermosphere, stratosphere, b. troposphere, stratosphere, thermosphere, mesosphere, c. troposphere, stratosphere, mesosphere, thermosphere, d. troposphere, mesosphere, stratosphere, thermosphere
c
NDQ_006122
what separates the layers in the atmosphere?
a. temperature gradient, b. density, c. pressure, d. none of the above
a
NDQ_006123
which layer is the hottest?
a. troposphere, b. stratosphere, c. mesosphere, d. thermosphere
a
NDQ_006124
why does warm air rise?
a. cool gas molecules move less and take up more space so they become less dense, b. the higher pressure on air at sea level pushes it up higher in the atmosphere, c. the temperature gradient of warm air is higher than that of cold air, d. warm gas molecules move more and take up more space so they become less dense
d
NDQ_006125
which layer does the weather occur in?
a. troposphere, b. stratosphere, c. mesosphere, d. thermosphere
a
NDQ_006126
with the same number of molecules in less space, both air density and air pressure are lower.
a. true, b. false
a
NDQ_006127
in each layer of the atmosphere, air temperature decreases with altitude.
c. true, d. false
b
NDQ_006128
when air gets cooler, it decreases in density.
a. true, b. false
a
NDQ_006129
the temperature gradient in each layer of the atmosphere is determined by
a. how close it is to the center of the earth, b. the heat source of that layer, c. the air pressure on the layer, d. the amount of ozone that is present in the layer
b
NDQ_006192
tornadoes form
a. from severe thunderstorms, b. at the edges of warm fronts, c. in occluded fronts, d. where air masses from two oceans meet
a
NDQ_006193
the fujita scale assigns a value to a tornado based on
a. temperature and precipitation, b. temperature and wind speed, c. wind speed and damage, d. precipitation and damage
c
NDQ_006195
what type of cloud does a tornado stem from?
a. cirrostratus, b. cumulous, c. nimbostratus, d. cumulonimbus
d
NDQ_006196
which of the following is not true of tornadoes?
a. they destroy homes and property, b. very few tornadoes cause fatalities, c. tornadoes strike a very wide path, up to several miles, d. some years are worse than others for tornado damage and death
c
NDQ_006197
winds from the strongest tornadoes can spin more than 300 mph.
a. true, b. false
a
NDQ_006198
tornadoes rotate clockwise and twisters rotate anti-clockwise.
a. true, b. false
b
NDQ_006199
in the united states, tornadoes are most common where the ________________ air masses meet in the spring.
a. maritime tropical and continental arctic, b. maritime tropical and continental polar, c. maritime polar and the continental dry, d. maritime tropical and maritime polar
b
NDQ_006200
when a tornado warning is issued it accurately tells when and where the tornado will hit.
a. true, b. false
b
NDQ_006201
most deaths from tornadoes are caused by flying debris.
a. true, b. false
a
NDQ_006262
ocean biodiversity is
a. low because ocean conditions are all very similar, b. moderate with a little diversity in each of the three depth zones, c. high because there is a lot of difference in temperature, salinity, light and other factors, d. unknown since we cant see below about 200 feet depth
c
NDQ_006263
organisms that cant swim but are pushed along with the current are
a. fish, b. plankton, c. plants, d. all of these
b
NDQ_006264
phytoplankton are responsible for about one-quarter of earths total primary productivity.
a. true, b. false
b
NDQ_006265
nearly all marine invertebrates have hard shells for protection.
a. true, b. false
b
NDQ_006266
animal larvae spread in the seas as plankton and then settle to the bottom as adults.
a. true, b. false
a
NDQ_006267
some seabirds live their entire lives without coming to land.
a. true, b. false
b
NDQ_006268
most marine organisms live
a. in the photic zone, b. close to shore, c. in the deep sea, d. in the middle depths
b
NDQ_006269
marine invertebrates
a. are mostly found in the deep sea, b. have a backbone, c. account for a lot of the oceans biodiversity, d. all of the above
c
NDQ_006270
what adaptations do fish have for life in the oceans?
a. they have a swim bladder for changing depth, b. they are ectotherms so they are the same temperature as the water, c. they have gills for extracting oxygen from the water, d. all of these
d
NDQ_006271
what adaptations do marine mammals have for life in the oceans?
a. they have fur, fat, fast metabolisms, small surface area to volume for warmth, b. they absorb salt through their skin and secrete it through their urinary tracts, c. they have gills for extracting oxygen from water, d. all of these
a
NDQ_006392
a front is where two air masses
a. meet, b. diverge, c. slide past each other, d. all of these
a
NDQ_006393
the two air masses at a front
a. have the same density so they stay in their places, b. have different densities so the less dense one goes up over the denser one, c. have the same density so they mix, d. have different densities so they stay in their places
b
NDQ_006394
a stationary front will
a. remain in place until another front pushes it out of the way, b. decrease in density and move by rising over a barrier, c. break apart after several days, d. remain in place until its barrier erodes away
c
NDQ_006395
in a stationary front, winds blow parallel to the front but in opposite directions.
a. true, b. false
a
NDQ_006396
this may form along a cold front, if the humidity is high enough.
a. a thunderstorm line, b. a storm line, c. a frontal line, d. a squall line
d
NDQ_006397
if a cold front occurred in the spring, this type of weather would occur.
a. thunderstorms, b. strong rain, c. snow, d. strong winds
a
NDQ_006398
a warm front is when
a. a cold air mass slides over a warm air mass, b. a warm air mass slides over a cold air mass, c. two warm air masses meet, d. two cold air masses meet
b
NDQ_006399
a warm front in winter could lead to this weather
a. strong winds and thunderstorms with heavy snows, b. warm air and rain give way to cold air with heavy snow with nimbostratus clouds and fog, c. warm air with intense pouring rain, d. cold air and snow give way to warmer sleet and freezing rain with stratus clouds and
d
NDQ_006400
an occluded front has cold, warm and then cold fronts back to back.
a. true, b. false
a
NDQ_006401
an occluded front has mild weather because there is mixing between the different air masses.
a. true, b. false
b
NDQ_006402
which of the following is not shown graphically on a weather map?
a. height of cloud base, b. amount of precipitation in the last 6 hours, c. cloud type, d. barometric pressure at the elevation of each location
d
NDQ_006404
isobars are line of equal average air pressure at
a. sea level, b. 10,000 feet, c. the land surface, d. 100 feet
a
NDQ_006405
isotachs can be used to locate
a. thunderstorms, b. jet streams, c. temperature gradients, d. droughts
b
NDQ_006406
on a weather map, a large circular feature with very low pressure in the center and winds being drawn inward might be a __________.
a. hurricane, b. tornado, c. blizzard, d. none of these
a
NDQ_006407
the amount of cloud cover is shown on some weather maps.
a. true, b. false
a
NDQ_006408
where isotherms indicate a steep gradient, there is likely to be
a. a tornado, b. precipitation, c. a front, d. none of the above
c
NDQ_006409
a zone of low barometric pressure may have a value of 1009, while a zone of high pressure may be around 1032.
a. true, b. false
a
NDQ_006410
weather maps just shows the temperature and atmospheric pressure in a region.
a. true, b. false
b
NDQ_006411
on a weather map, a large l with isobars circling around it, some of which have a pressure value is
a. a low wind speed zone, b. a high wind speed zone, c. a low pressure cell, d. a high pressure cell
c
NDQ_006412
the weather in a location is related to
a. air temperature, b. precipitation, c. wind speed and direction, d. all of these
d
NDQ_006413
weather is more predictable than climate.
a. true, b. false
b
NDQ_006415
climate doesnt change.
a. true, b. false
b
NDQ_006416
the climate of a location is determined by
a. cloud cover, b. air pressure, c. what type, how much and when precipitation falls, d. all of these
d
NDQ_006417
__________ is the amount of water vapor in the air.
a. humidity, b. air temperature, c. air pressure, d. precipitation
a
NDQ_006418
if you want to go somewhere warm for winter break, you might find it on the ski slopes in lake tahoe, but youd be more likely to in tucson, arizona.
a. true, b. false
a
NDQ_006419
if you go to tucson in june, a month known to be hot and dry, you will not experience a rain storm.
a. true, b. false
b
NDQ_006420
compared to climate, weather is
a. easier to predict, b. guaranteed, c. changeable, d. not important
c
NDQ_006421
the most important factor determining the climate of a region is
a. the average amount of precipitation it gets over a year, b. the amount of solar radiation it gets, c. the average air temperature over a year, d. the amount of wind it gets and where the wind comes from
b
NDQ_006442
air moving by _______________ creates wind.
a. radiation, b. convection, c. conduction, d. gravity
b
NDQ_006443
wind is air that is moving
a. toward a zone of rising air, b. outward from a zone of warm air, c. randomly, d. inward from a zone of neutrally buoyant air
a
NDQ_006444
wind has been used for power for hundreds of years.
a. true, b. false
a
NDQ_006445
moving air has potential energy.
a. true, b. false
b
NDQ_006446
an advantage of wind power is ____________.
a. it does not release pollutants or greenhouse gases, b. it is plentiful in many places, c. the technology to harness wind energy is being developed rapidly, d. all of the above
d
NDQ_006447
one or more disadvantages of wind power are
a. it releases greenhouse gases, b. wind blows very rarely in most of the world, c. windmills are expensive to build and maintain, d. all of these
c
NDQ_006448
the wind blows strong through california mountain passes because
a. cool air at the ocean sinks and travels across the pass to the warmer valley, b. warm air from the ocean rises and sucks cool air across the pass from the ocean, c. warm air in the inland valleys rises, sucking cool air across the pass from the ocean, d. cool inland air sinks and sucks warmer ocean air across the pa...
b
NDQ_006449
a nimby group is the offshore cape wind project because they think that windmills are
a. unattractive, b. dangerous to humans, c. loud, d. all of the above
a
NDQ_006450
the cape wind project is located in california.
a. true, b. false
b
NDQ_006451
wind power is the fastest growing renewable energy source in the world.
a. true, b. false
a