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WorksheetsDistrict CFA practice
Total questions: 201
Worksheet time: 3hrs 3mins
Which object has the most elastic potential energy?
a hanging leaf
a burning coal
a rolling ball
a stretched bow
Which number shows least amount of gravitational potential energy?
three
two
four
five
When a pendulum swings, at which point is potential energy at its greatest?
2
3
4
1 and 5
The roller coaster cart has the most kinetic energy at position-
W
X
Y
Z
Where would this tossed baseball have the least amount of kinetic energy?
Point W
Point X
Point Y
Point Z
As a pendulum swings from its highest to lowest position, what happens to its kinetic and potential energy?
Both the potential energy and kinetic energy decrease
The potential energy decreases while the kinetic energy increases
The kinetic energy decreases while the potential energy increases
Both the potential energy and kinetic energy increase
If all objects are moving as the same speed, which would have the greatest kinetic energy?
tennis ball
football
notebook
Box of 20 textbooks
A student creates a ramp by stacking four blocks and then leaning a meter stick against it. She releases four different balls from the same position on the ramp and calculates their speeds. Based on the information in the table below, which ball would you predict to have the LEAST kinetic energy when it reaches the end of the ramp?
Golf
Tennis
Baseball
Softball
The image below shows four soccer balls at different locations on an uneven soccer field. Which ball has the greatest amount of KINETIC energy?
Ball A
Ball B
Ball C
Ball D
A hot air balloon rising is an example of ...
conduction
convection
radiation
connection
GRAVITATIONAL POTENTIAL ENERGY DEPENDS ON
MASS AND VELOCITY
MASS AND WEIGHT
MASS AND HEIGHT
HEIGHT AND DISTANCE
What type of heat transfer takes place in liquids and gasses?
Conduction
Convection
Radiation
Thermal Equilibrium
What is the definition of CONVECTION
When heat transfers through waves.
When heat transfers from objects that are touching.
warm fluid rises; cool fluid sinks
Heat traveling from the sun
What are a circular system of currents in the Earth's major oceans?
ocean current
gyre
upwelling
conveyor belt
What does the blue line represent in the Thermohaline circulation?
Warm salty water
Warm water
Cold water
Cold salty water
The more scientific name of the Global Conveyor Belt is _____.
halinethermal circulation
thermohaline circulation
thermodensity circulation
Cold and salty water would sink faster than hot water because of the density.
True
False
What causes convection currents to occur on Earth?
cool air rising, warm air sinking
cool air rising, warm air rising
warm air rising, cool air sinking
warm air sinking, cool air sinking
What causes differences in air movement?
Equal heating of the Earth
Equal cooling of the earth
Uneuqal heating of the earth
The Coriolis Effect is caused by what?
The wind blowing
Earth's gravity pulling things down
The rotation of the Earth
The pull of the Moon
All locations on the planet do NOT heat evenly.
Where would we expect to find warmer areas on Earth?
Near the equator
Near the poles
What surfaces on Earth heat more slowly?
Areas over land heat more slowly
Areas over water heat more slowly.
What parts of the planet would be cooler?
Near the equator
Near the poles
Air that cools becomes ___
less dense and rises.
less dense and sinks.
more dense and sinks.
more dense and rises.
Air that is heated becomes ___
less dense and rises.
less dense and sinks.
more dense and sinks.
more dense and rises.
The rotation of the Earth causes winds to bend due to the...
coriolis effect
doldrums
trade winds
westerlies
Winds occur because hot air rises and cool air sinks in a process called...
conduction
convection
radiation
magnetism
A student examines a map showing the flow of ocean currents throughout the world.
What would be the major consequence if global current circulation stops?
The climates of the coastal equatorial regions would become colder and wetter, and the climates of the coastal polar regions would become warmer and dryer.
The climates of the coastal equatorial regions would become hotter and and the climates of the coastal polar regions would become colder
The climates of the coastal equatorial regions would become hotter and wetter, and the climates of the coastal polar regions would become colder and dryer.
The climates of the coastal equatorial regions would become colder and drier, and the climates of the coastal polar regions would become warmer and wetter.
The diagram shows the movement of air at the beach on a hot day.
Which statement about air movement in the diagram is true?
Air movement over the land and water is caused by unequal heating of Earth's surface.
Air over water cools more quickly than air over land, causing rising and falling air masses.
The tides and currents in the ocean affect the movement of air masses above both land and water.
Energy from organisms on land and water have an effect on the movement of air masses.
Why does a convection current begin over the equatorial region?
Equatorial latitudes receive more direct sunlight, and this energy is re-radiated from the land as it cools in the form of cooler air, which falls.
Equatorial latitudes receive indirect sunlight, and this energy is re-radiated from the land as it cools in the form of cooler air, which rises.
Equatorial latitudes receive more direct sunlight, and this energy is re-radiated from the land as it cools in the form of warmer air, which rises
Equatorial latitudes receive indirect sunlight, and this energy is re-radiated from the land as it cools in the form of warmer air, which falls.
A dam was created across a river to meet the power needs of an area. What is the most likely environmental impact of the construction?
disturbances to plant and animal habitats
decreased water levels behind the dam
contamination of groundwater resources
increased temperature due to exhaust gases
Describe the air on the windward side of a mountain.
dry
hot
moist
cold
Describe the air on the leeward side of a mountain.
cold
warm
dry
moist
The air on the windward side of a mountain is moist because it is close to
an ocean
a puddle
a desert
a river
The leeward side is _____________ a body of water.
facing
next to
not near
around
Increased urbanization/industrialization will most likely
increase environmental carrying capacity for native species
decrease runoff in urban areas
increase the stability of ecosystems
decrease global warming
because of the effect they can have on the environment.
Which of the following is a possible negative effect of the use
of these chemical on the environment?
These chemicals are expensive to produce.
What type of pollution can stormwater carry?
toxic chemicals
E.coli bacteria
sediment
nutrients
All are correct
A car internal combustion engine's job is to
convert fuel into heat
convert petroleum/fuel into motion
convert fuel into exhaust
Radioactive waste can be hazardous to the environment if mishandled
Advantage: NUCLEAR
Disadvantage: NUCLEAR
Advantage: NATURAL GAS
Disadvantage: NATURAL GAS
What is one con (bad thing) about nuclear energy?
It creates radioactive waste
It does NOT create carbon dioxide
It takes just a small amount of uranium to create a lot of energy
One problem with ____ fuels is that it produces nuclear waste.
nuclear
solar
tidal
geothermal
What type of energy is demonstrated at A and C?
Potential and kinetic is the same
Kinetic energy
Potential energy
No energy
What type of weather is generally associated with a low pressure system?
fair-weather, beautiful clear skies
Cloudy skies, some moist air, possible precipitation, stormy weather
cloudy skies, dry air
cloudy with a chance of meatballs
Tim said that Chicago is most likely to experience rainy weather. Jennifer thinks that Dallas is most likely to experience rainy weather.
Which student is correct?
Tim because Chicago is the closest to a low pressure system and they produce precipitation.
Jennifer because high pressure systems produce precipitation
Both students are correct because all systems produce precipitation
Neither of the students are correct because the cities are not close enough to the system.
Should the "?" be replaced with an "H" or an "L"?
"L" because the fronts near this location do not create precipitation and low pressure systems bring precipitation.
"L" because the fronts near the location produce precipitation and low pressure systems bring precipitation
"H" because the fronts near this location create precipitation and high pressure systems bring precipitation.
"H" because the fronts near this location create precipitation and high pressure systems do not bring precipitation.
Warm Water Currents begin near the _____________and travel to the______________.
Poles; Equator
Equator; Equator
Poles; Poles
Equator; Poles
Cold Water Currents begin near the _____________and travel to the______________.
Poles; Equator
Equator; Equator
Poles; Poles
Equator; Poles
What does a primary consumer eat?
tertiary consumers
secondary consumers
producers
decomposers
Which organisms needs to find it's own food?
autotroph
hetertroph
How are primary consumers different from secondary consumers?
Primary consumers eat only plants; secondary consumers eat other consumers.
Primary consumers eat other consumers; secondary consumers eat only plants.
Primary consumers eat plants and other consumers; secondary consumers eat plants and decompose matter.
Primary consumers eat plants and decompose matter; secondary consumers eat plants and other consumers.
The most important abiotic factors when studying biomes are...
Soil and Freshwater
Producers and Consumers
Native Plants and Animals
Precipitation and Temperature
Which of the following is a tertiary consumer?
hawk
mouse
moth
spider
What % of energy is passed from organism to organism?
100%
10%
5%
25%
The number of organisms at the top of the energy pyramid are usually smaller because the hawk
needs more energy
has more predators
have more offspring
eat producers
The arrows on a food web...
...show who moving where
...shows the direction the energy is moving to
...shows who is wasting energy
...shows who is friends with who
If the MOUSE disappeared from this food chain, which animal would have less to eat?
Grass
Grasshopper
Mouse
Owl
If the temperature rose and all of the FISH died, what would most likely happen to the number of SEALs?
Seals would increase and then decrease.
The number of seals would not change.
The number of seals would increase.
The number of seals would decrease.
What causes competition to occur in an environment?
Good conditions make resources plentiful.
Organisms struggle for a limited resource.
Members of a population have different roles.
A population falls below the environment’s carrying capacity.
What is one way that cooperation helps lions to survive?
They hunt in a group to increase their likelihood of catching prey.
They all have a tan color that helps them blend into their environment.
They eat a variety of prey, including zebras, buffaloes, and wildebeest.
They live in prides of five to ten adult females and their young, and one or two adult males.
Based on the data, one student concludes that a new predator was introduced into the area during this time period. Which of the following is a likely alternate explanation for the change in the mullet population?
The side of a mountain range that faces the oncoming wind and receives precipitation:
Climate
Windward
Leeward
Monsoon
The side of a mountain range that faces away from the wind and receives little to no precipitation:
Windward
Leeward
Monsoon
Climate
What is the difference between climate and weather?
climate happens in that moment, weather happens over time
weather happens in that moment, climate happens over time
No difference, they mean the same thing.
The higher the altitude of a city, the _______________ the temperatures are.
hotter
colder
more consistent
weirder
What does "latitude" refer to?
the distance away from the Equator
how much rain a place gets
how high up a mountain a place is
the number of seasons a place gets
Climate is affected by many factors including:
latitude, elevation, and proximity to bodies of water
tides and currents
wind
snow and sleet
Which two factors determine the climate in a particular region?
temperature and latitude
precipitation and humidity
temperature and precipitation
humidity and air pressure
Which location has a higher elevation?
A
B
Which location has warmer temperatures?
A
B
As elevation _________________, temperature ___________________.
increases; increases
increases; decreases
Which location has would have a warmer climate?
A
B
On which side of the mountian would you most likely find humid air and green plants?
A
B
On which side of the mountian would you most likely find dry, desert conditions?
A
B
Which city will have a cooler average temperature
Chapel Hill
Havana
What factor is influencing the temperature of these two cities
Latitude
Altitude
Distance from Large Body of Water
Ocean Currents
How does the windward side differ from the leeward side?
A. The windward side receives more precipitation than leeward side.
B. The leeward side has more vegetation than the windward side.
C. The windward side receives more heat than the leeward side.
D. The leeward side receives more precipitation than the windward side.
The climographs above are for 2 cities that are located at similar latitudes and elevation. Which climograph BEST describes the average temperatures of a city located near a large body of water?
climograph A since it has a narrower range in temperatures
climograph B since it has abundant rainfall all year
both climographs since the two cities are at the same latitude
both climographs since the two cities are at similar elevation
Which of the following shows the symbiotic relationship between the Rodent and the Bird?
Mutualism
Commensalism
Competition
All of the following are visual communication examples EXCEPT...
sage grouse mating dance
shaking of a rattlesnake tail
howl of a wolf
lightning bug glowing
The purpose of visual communication is to...
ward off predators
attract a mate
locate food
all of the answers above
A graph displaying the population of an organism and its predator's population over time looks like which of the following?
When the population density of an ecosystem gets too high,
organisms don't have enough food
there is not enough space for all the inhabitants living there
the water available becomes a limited resource
all of the above
When ants follow pheromones left by other ants, this is an example of __________________ communication.
Visual
Auditory
Tactile
Chemical
Which answer choices are examples of tactile communication? (Choose 2 answers.)
Wolves howling at the moon
A bee uses to waggle dance to communicate that a source of pollen has been found
Friends greet one another with a high-five
A gorilla grooms another gorilla
Which is an example of auditory communication?
Dolphins use whistles to communicate with other dolphins
A wolf rolls on his back to show submission
A cat strokes his head on furniture to mark it as his territory
Frogs hide in leaves of the same color
When a mother cat comforts her kitten through touch, this is ____________________ communication.
visual
auditory
pheromones
tactile
What is permafrost?
soil that has thawed
soils that is always frozen
a plant in the tundra
muddy soil
Which of the following is a characteristic of a wetland?
Animals cannot live there.
They help control floods.
They are good to build on.
They have fast-moving water
Which of the following describes marshes?
an area with many trees
an area with no animals
found in shallow areas near shores
an area with few grasses or reeds
How do swamps differ from marshes?
Swamps are near rivers.
Swamps have many birds.
Swamps are very wet.
Swamps have trees.
What biome has cold winters, cool summers, and 4 seasons?
deciduous forest
desert
grassland
coniferous forest
What biome is home to bison and cheetahs?
deciduous forest
grassland
tundra
desert
Where would you find permanently frozen ground (permafrost)?
grassland
desert
tropical rain forest
tundra
In which biome do we live?
tropical rain forest
deciduous forest
grassland
desert
Which biome is also known as savanna, plains, and steppes?
grassland
desert
tundra
coniferous forest
Where would you find fleshy stemmed plants that have roots close to the ground surface to absorb water quickly?
tropical rain forest
deciduous forest
coniferous forest
desert
Because of overplanting and overgrazing due to farms and ranches, this biome is in danger of desertification (creating desert conditions).
desert
tropical rain forest
tundra
grassland
What biome has more variety of plant and animal life than any other land biome?
desert
tundra
tropical rain forest
deciduous forest
Which biome contains large populations of grazing herbivores, few species of birds, and deep, rich soil?
taiga
tundra
deciduous forest
grassland
The most important abiotic factors when studying biomes are...
Soil and Freshwater
Producers and Consumers
Native Plants and Animals
Precipitation and Temperature
Which biome has deciduous trees (that lose their leaves in the fall)?
Temperate Forest
Rainforest
Grasslands
Taiga
Which biome is home to cacti, scorpions, coyotes, kangaroo rats, and lizards?
Desert
Grasslands
Temperate Forest
Taiga
lichens, mosses, grasses, and other low-growing plants are common vegetation in this biome due to the permafrost, low rainfall, and very cold temperatures.
Desert
Taiga
Tundra
Grasslands
An organism has thick white fur, a bushy tail, and short ears. It often burrows holes and curls into a ball for warmth. To which biome is this organism most likely adapted?
Grassland
Tundra
Taigia
Desert
This biome, also called a boreal forest, has dense forests of conifers (cone-bearing evergreen trees). Temperatures are cold, but soil is not completely frozen.
Tundra
Taiga
Temperate Forest
Grasslands
Which adaptation would best assist some desert animals stay cool?
Short, thick fur
Long ears
Short ears
Long Tail
Which biome has trees that lose their leaves in the fall?
Deciduous or Temperate Forest
Rainforest
Grasslands
Taiga
This biome has dense forests of conifers (cone-bearing evergreen trees). Moose, black bears, and wolves live her Temperatures are cold, but soil is not completely frozen.
Tundra
Taiga
Temperate Forest
Grasslands
This aquatic biome removes pollutants and reduces flooding
wetlands
ocean
coral reefs
ponds and lakes
esturary
This is the most diverse aquatic biome
wetlands
ocean
coral reefs
ponds and lakes
esturary
This biome has both fresh and salt water
wetlands
ocean
coral reefs
ponds and lakes
estuary
This is the largest aquatic biome
wetlands
ocean
coral reefs
ponds and lakes
estuary
These aquatic biomes are mainly still bodies of freshwater
wetlands
ocean
coral reefs
ponds and lakes
estuary
A desert is very hot during the day and receives very little rain.
Which plants have an adaptation that would help them survive?
plants with waxy coatings
plants with deep roots
plants with large leaves
plants with soft stems
