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3,500
NDQ_001150
weather forecasting
Weather data are collected in the atmosphere by
null
null
Multiple Choice
a. radar., b. satellites., c. balloons., d. all of the above
d
3,501
NDQ_001151
weather forecasting
Some weather stations float on the ocean.
null
null
Multiple Choice
a. true, b. false
a
3,502
NDQ_001152
weather forecasting
A weather station has several weather instruments.
null
null
Multiple Choice
a. true, b. false
a
3,503
NDQ_001153
weather forecasting
Weather balloons are tied down so they will not float away.
null
null
Multiple Choice
a. true, b. false
b
3,504
NDQ_001154
weather forecasting
Weather balloons send out radio waves in all directions.
null
null
Multiple Choice
a. true, b. false
b
3,505
NDQ_001155
weather forecasting
A single weather satellite orbits Earth.
null
null
Multiple Choice
a. true, b. false
b
3,506
NDQ_001156
weather forecasting
Weather radar is used to detect high winds.
null
null
Multiple Choice
a. true, b. false
b
3,507
NDQ_001157
weather forecasting
Computers and models are used to analyze weather data.
null
null
Multiple Choice
a. true, b. false
a
3,508
NDQ_001158
weather forecasting
Weather predictions have become more accurate in recent decades.
null
null
Multiple Choice
a. true, b. false
a
3,509
NDQ_001159
weather forecasting
A weather map shows weather conditions for a given area.
null
null
Multiple Choice
a. true, b. false
a
3,510
NDQ_001160
weather forecasting
A weather map always shows temperature and precipitation.
null
null
Multiple Choice
a. true, b. false
b
3,511
NDQ_001161
climate and its causes
climate that is relatively mild year round
null
null
Multiple Choice
a. climate, b. rain shadow, c. latitude, d. coastal climate, e. inland climate, f. prevailing winds, g. current
d
3,512
NDQ_001162
climate and its causes
The most solar radiation over a year strikes
null
null
Multiple Choice
a. the north and south pole, b. the tropic of cancer and tropic of capricorn, c. the equator, d. the north pole
c
3,513
NDQ_001163
climate and its causes
flowing water that carries warm or cold water through the oceans
null
null
Multiple Choice
a. climate, b. rain shadow, c. latitude, d. coastal climate, e. inland climate, f. prevailing winds, g. current
g
3,514
NDQ_001164
climate and its causes
At about 30 N and 30 S,the air is warm and dry because
null
null
Multiple Choice
a. it is a zone of evaporation., b. it originated at the equator., c. it is a low pressure zone., d. all of these.
b
3,515
NDQ_001165
climate and its causes
global winds at a given latitude
null
null
Multiple Choice
a. climate, b. rain shadow, c. latitude, d. coastal climate, e. inland climate, f. prevailing winds, g. current
f
3,516
NDQ_001166
climate and its causes
The prevailing winds are
null
null
Multiple Choice
a. where air in the circulation cells ascends or descends., b. affected by local climate., c. the ground level portion of one of the circulation cells., d. all of these.
c
3,517
NDQ_001167
climate and its causes
Compared with lower altitudes, at higher altitudes the air molecules are
null
null
Multiple Choice
a. less densely packed., b. more densely packed., c. the same density of packing., d. packed with variable density.
a
3,518
NDQ_001168
climate and its causes
average weather of a place over many years
null
null
Multiple Choice
a. climate, b. rain shadow, c. latitude, d. coastal climate, e. inland climate, f. prevailing winds, g. current
a
3,519
NDQ_001169
climate and its causes
climate that has extreme temperatures
null
null
Multiple Choice
a. climate, b. rain shadow, c. latitude, d. coastal climate, e. inland climate, f. prevailing winds, g. current
e
3,520
NDQ_001170
climate and its causes
Rain falls
null
null
Multiple Choice
a. at the equatorial low, b. at 30-degrees north and south, c. at the polar front, d. a c
d
3,521
NDQ_001172
climate and its causes
distance north or south of the equator
null
null
Multiple Choice
a. climate, b. rain shadow, c. latitude, d. coastal climate, e. inland climate, f. prevailing winds, g. current
c
3,522
NDQ_001173
climate and its causes
low precipitation area on the leeward side of a mountain range
null
null
Multiple Choice
a. climate, b. rain shadow, c. latitude, d. coastal climate, e. inland climate, f. prevailing winds, g. current
b
3,523
NDQ_001181
climate and its causes
Air temperature is lower at lower altitude.
null
null
Multiple Choice
a. true, b. false
b
3,524
NDQ_001183
climate and its causes
In the polar regions, a lot of sunlight reflects back into space.
null
null
Multiple Choice
a. true, b. false
a
3,525
NDQ_001186
climate and its causes
The most snowfall is at the poles.
null
null
Multiple Choice
a. true, b. false
b
3,526
NDQ_001188
climate and its causes
Precipitation falls on mountains because air cools and can hold less moisture at higher elevations.
null
null
Multiple Choice
a. true, b. false
a
3,527
NDQ_001189
climate and its causes
The latitude of a region affects how much solar radiation it receives.
null
null
Multiple Choice
a. true, b. false
a
3,528
NDQ_001190
climate and its causes
Climate includes
null
null
Multiple Choice
a. temperature., b. precipitation., c. timing of precipitation., d. all of the above
d
3,529
NDQ_001191
climate and its causes
The main factor that determines the climate of a place is
null
null
Multiple Choice
a. vegetation., b. longitude., c. latitude., d. two of the above
c
3,530
NDQ_001192
climate and its causes
Places between 45 and 60 degrees latitude have
null
null
Multiple Choice
a. dry winters and wet summers., b. dry summers and wet winters., c. low precipitation in all seasons., d. high precipitation in all seasons.
a
3,531
NDQ_001193
climate and its causes
In polar climates, precipitation is
null
null
Multiple Choice
a. low all year., b. high all year., c. moderate all year., d. high in winter and low in summer.
d
3,532
NDQ_001194
climate and its causes
In most of the U.S., air masses usually move from
null
null
Multiple Choice
a. northeast to southwest., b. southwest to northeast., c. north to south., d. south to north.
b
3,533
NDQ_001195
climate and its causes
The British Isles have relatively high average temperatures for their latitude because of the
null
null
Multiple Choice
a. trade winds., b. Gulf Stream., c. prevailing easterlies., d. intertropical convergence zone.
b
3,534
NDQ_001196
climate and its causes
On the west coast of North America, where do rain shadows occur?
null
null
Multiple Choice
a. at the tops of mountains, b. on the east side of mountain ranges, c. between mountain ranges and the coast, d. on the side of mountain ranges opposite the sun
b
3,535
NDQ_001197
climate and its causes
Climate depends only on distance north or south of the equator.
null
null
Multiple Choice
a. true, b. false
b
3,536
NDQ_001198
climate and its causes
Ice and snow absorb a lot of sunlight.
null
null
Multiple Choice
a. true, b. false
b
3,537
NDQ_001199
climate and its causes
Precipitation is high where warm air from lower latitudes meets frigid air from the poles.
null
null
Multiple Choice
a. true, b. false
a
3,538
NDQ_001200
climate and its causes
Dry air sinks to the surface at about 60 degrees north and south latitude.
null
null
Multiple Choice
a. true, b. false
b
3,539
NDQ_001201
climate and its causes
Subtropical climates are dry for at least some of the year.
null
null
Multiple Choice
a. true, b. false
a
3,540
NDQ_001202
climate and its causes
The movement of air masses causes weather.
null
null
Multiple Choice
a. true, b. false
a
3,541
NDQ_001203
climate and its causes
A place far from the ocean typically has less variation in temperature than a place close to the ocean.
null
null
Multiple Choice
a. true, b. false
b
3,542
NDQ_001204
climate and its causes
Ocean currents always bring warm water to cold regions.
null
null
Multiple Choice
a. true, b. false
b
3,543
NDQ_001205
climate and its causes
Air is colder at high altitudes because it is less dense.
null
null
Multiple Choice
a. true, b. false
a
3,544
NDQ_001206
climate and its causes
A rain shadow is an area that receives a lot of rain because of a nearby mountain.
null
null
Multiple Choice
a. true, b. false
b
3,545
NDQ_001299
ecosystems
group of living things and their environment
null
null
Multiple Choice
a. abiotic factor, b. biotic factor, c. community, d. population, e. ecosystem, f. nutrient, g. species
e
3,546
NDQ_001300
ecosystems
Herbivores are which type of consumer?
null
null
Multiple Choice
a. Producer, b. Primary consumer, c. Secondary consumer, d. Tertiary consumer
b
3,547
NDQ_001301
ecosystems
unique type of organism
null
null
Multiple Choice
a. abiotic factor, b. biotic factor, c. community, d. population, e. ecosystem, f. nutrient, g. species
g
3,548
NDQ_001302
ecosystems
Which of the following is NOT a habitat?
null
null
Multiple Choice
a. A hole in a cactus, b. Under a leaf in a forest, c. Within the intestines of a shark, d. All of the above are habitats
d
3,549
NDQ_001303
ecosystems
living part of an ecosystem
null
null
Multiple Choice
a. abiotic factor, b. biotic factor, c. community, d. population, e. ecosystem, f. nutrient, g. species
b
3,550
NDQ_001304
ecosystems
Which of the following would be highest on the food pyramid?
null
null
Multiple Choice
a. Phytoplankton, b. Snakes, c. Falcons, d. Mice
c
3,551
NDQ_001305
ecosystems
Nutrients are useful for
null
null
Multiple Choice
a. growing an organisms body, b. building shells or bones, c. creating proteins, fats, carbohydrates and nucleic acids, d. all of these
d
3,552
NDQ_001306
ecosystems
all the populations that make up an ecosystem
null
null
Multiple Choice
a. abiotic factor, b. biotic factor, c. community, d. population, e. ecosystem, f. nutrient, g. species
c
3,553
NDQ_001307
ecosystems
nonliving part of an ecosystem
null
null
Multiple Choice
a. abiotic factor, b. biotic factor, c. community, d. population, e. ecosystem, f. nutrient, g. species
a
3,554
NDQ_001308
ecosystems
When one organism eats another organism, it
null
null
Multiple Choice
a. receives all of its nutrients, b. receives all of its energy, c. receives all of its energy and nutrients, d. none of these
c
3,555
NDQ_001310
ecosystems
all the members of a given species that live in the same area
null
null
Multiple Choice
a. abiotic factor, b. biotic factor, c. community, d. population, e. ecosystem, f. nutrient, g. species
d
3,556
NDQ_001311
ecosystems
nonliving matter needed by living things
null
null
Multiple Choice
a. abiotic factor, b. biotic factor, c. community, d. population, e. ecosystem, f. nutrient, g. species
f
3,557
NDQ_001319
ecosystems
An organism that eats many types of animals only is an omnivore.
null
null
Multiple Choice
a. true, b. false
b
3,558
NDQ_001321
ecosystems
Every ecosystem has the same general roles that living creatures fill.
null
null
Multiple Choice
a. true, b. false
a
3,559
NDQ_001324
ecosystems
In an ecosystem, energy flows in many directions; matter flows in one direction.
null
null
Multiple Choice
a. true, b. false
b
3,560
NDQ_001326
ecosystems
A community is all of the species and abiotic factors that coexist within a specific area.
null
null
Multiple Choice
a. true, b. false
b
3,561
NDQ_001327
ecosystems
Mules, offspring of male donkeys and female horses, cannot have offspring and so are not members of
null
null
Multiple Choice
a. true, b. false
a
3,562
NDQ_001328
ecosystems
Soil is an example of a biotic factor in an ecosystem.
null
null
Multiple Choice
a. true, b. false
b
3,563
NDQ_001329
ecosystems
All ecosystems have living things that play the same basic roles.
null
null
Multiple Choice
a. true, b. false
a
3,564
NDQ_001330
ecosystems
Algae are producers that make food by chemosynthesis.
null
null
Multiple Choice
a. true, b. false
b
3,565
NDQ_001331
ecosystems
Some consumers get food by eating decomposers.
null
null
Multiple Choice
a. true, b. false
a
3,566
NDQ_001332
ecosystems
An organism that eats only plants is called an herbivore.
null
null
Multiple Choice
a. true, b. false
a
3,567
NDQ_001333
ecosystems
Some plants are consumers.
null
null
Multiple Choice
a. true, b. false
a
3,568
NDQ_001334
ecosystems
Food chains can have dozens of levels.
null
null
Multiple Choice
a. true, b. false
b
3,569
NDQ_001335
ecosystems
Secondary consumers obtain food by eating producers.
null
null
Multiple Choice
a. true, b. false
b
3,570
NDQ_001336
ecosystems
Matter must be constantly added to food chains.
null
null
Multiple Choice
a. true, b. false
b
3,571
NDQ_001337
ecosystems
Carbon is an example of a nutrient.
null
null
Multiple Choice
a. true, b. false
a
3,572
NDQ_001338
ecosystems
How a species makes a living is its
null
null
Multiple Choice
a. niche., b. habitat., c. ecosystem., d. abiotic factor.
a
3,573
NDQ_001339
ecosystems
Which grouping includes only members of the same species?
null
null
Multiple Choice
a. ecosystem, b. population, c. community, d. none of the above
b
3,574
NDQ_001340
ecosystems
Producers make food by
null
null
Multiple Choice
a. photosynthesis., b. decomposition., c. chemosynthesis., d. two of the above
d
3,575
NDQ_001341
ecosystems
What does a carnivore eat?
null
null
Multiple Choice
a. animals, b. plants, c. dung, d. two of the above
a
3,576
NDQ_001342
ecosystems
Which of the following organisms is a grazer?
null
null
Multiple Choice
a. mushroom, b. mosquito, c. hyena, d. mole
b
3,577
NDQ_001343
ecosystems
The base of all food chains consists of
null
null
Multiple Choice
a. primary consumers., b. decomposers., c. producers., d. predators.
c
3,578
NDQ_001344
ecosystems
Which of the following is recycled in an ecosystem?
null
null
Multiple Choice
a. heat, b. energy, c. nitrogen, d. all of the above
c
3,579
NDQ_003801
air masses
within an air mass, these characteristics are nearly the same:
null
null
Multiple Choice
a. Temperature and pressure., b. Humidity and wind speed., c. Pressure and wind speed., d. Temperature and humidity.
d
3,580
NDQ_003802
air masses
air masses form primarily in
null
null
Multiple Choice
a. High pressure, temperate zones., b. Low pressure, polar and tropical zones., c. High pressure, polar and tropical zones., d. Low pressure, temperate zones.
c
3,581
NDQ_003804
air masses
thunderstorms are caused by colder air masses moving over warmer ground.
null
null
Multiple Choice
a. True, b. False
a
3,582
NDQ_003805
air masses
cold air masses tend to flow toward the poles and warm air masses tend to flow toward the equator.
null
null
Multiple Choice
a. True, b. False
b
3,583
NDQ_003806
air masses
for an air mass to acquire the characteristics of a region it must sit over that region for several hours.
null
null
Multiple Choice
a. True, b. False
b
3,584
NDQ_003807
air masses
temperate zones tend to have interesting weather because
null
null
Multiple Choice
a. Air masses form over them., b. Air masses with different characteristics move over them., c. 1000 km, d. 1600 km
b
3,585
NDQ_003808
air masses
three letters specify the source region of an air mass; e.g. cpk. these three letters indicate in order:
null
null
Multiple Choice
a. Land or sea; approximate latitude; its properties relative to the ground it is moving over, b. Approximate latitude; its properties relative to the ground it is moving over; land or sea, c. Its properties relative to the ground it is moving over; land or sea; approximate latitude;, d. Approximate latitude; land or sea; it’s properties relative to the ground its moving over
a
3,586
NDQ_003809
air masses
how does air movement keep earths temperature balanced?
null
null
Multiple Choice
a. Cold air masses stay in cold places and warm air masses stay in warm places., b. Cold air masses draw warm air toward them and vice versa so both mix., c. Cold air masses move toward warm regions and warm air masses toward cold regions., d. None of these.
c
3,587
NDQ_003810
air masses
an air mass with the symbol mtk formed over
null
null
Multiple Choice
a. The land in a tropical region and is moving over warmer ground., b. Cool ground in a polar region and is moving over the sea., c. Cold ground in an arctic region and is moving over land., d. The sea in a tropical region and is moving over cooler ground.
d
3,588
NDQ_003871
biological communities
all the individuals of a single species that live together in a particular location are a(n)
null
null
Multiple Choice
a. Ecosystem, b. Habitat, c. Community, d. Population
d
3,589
NDQ_003873
biological communities
the rainforest is an ecosystem, but the digestive system of a tree sloth is also an ecosystem.
null
null
Multiple Choice
a. True, b. False
a
3,590
NDQ_003874
biological communities
all the populations that live together in a particular location are a(n)
null
null
Multiple Choice
a. Ecosystem, b. Habitat, c. Community, d. System
c
3,591
NDQ_003875
biological communities
abiotic factors in an ecosystem include
null
null
Multiple Choice
a. Factors such as living space and temperature range., b. Decomposers., c. Fungi, algae and bacteria., d. All of these.
a
3,592
NDQ_003876
biological communities
biotic factors in an ecosystem include
null
null
Multiple Choice
a. Decomposers., b. Fungi, algae and bacteria., c. Plants and animals, d. All of these.
d
3,593
NDQ_003877
biological communities
a habitat is
null
null
Multiple Choice
a. The individuals of a single species that exist together in a time and place., b. Where an organism lives., c. The living organisms in a community and the nonliving things they need., d. All of these.
b
3,594
NDQ_003878
biological communities
important characteristics of a habitat include
null
null
Multiple Choice
a. Climate., b. Water., c. Resources., d. All of these.
d
3,595
NDQ_003879
biological communities
energy moves through an ecosystem in multiple directions; nutrients move through an ecosystem in one direction.
null
null
Multiple Choice
a. True, b. False
b
3,596
NDQ_003880
biological communities
the __________ for a hummingbird is to have a long bill to suck nectar from a flower.
null
null
Multiple Choice
a. niche, b. habitat, c. community, d. ecosystem
a
3,597
NDQ_003881
blizzards
blizzards are most common in winter when the jet stream has
null
null
Multiple Choice
a. Travelled north, b. Travelled south., c. Shut off., d. None of the above
b
3,598
NDQ_003882
blizzards
blizzards are usually part of a ___________________.
null
null
Multiple Choice
a. Hurricane, b. Squall line, c. Mid-latitude cyclone, d. Tornado
c
3,599
NDQ_003883
blizzards
blizzards happen when cold northern air contacts warmer semitropical air.
null
null
Multiple Choice
a. True, b. False
a