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WorksheetsTN Ready Science Review
Total questions: 46
Worksheet time: 23mins
What is a population?
a group of different species living in the same area
a group of different species living in separated areas
a group of individuals of the same species living in the same area
a group of individuals of the same species living in separated areas
Which of the following organisms is most likely to be a pioneer species in an ecosystem?
a tall tree
moss
a shrub
a mouse
Which type of energy involves harnessing heat produced within Earth to generate electricity?
solar energy
nuclear energy
geothermal energy
hydroelectric energy
What is the role of a photovoltaic cell in harnessing energy for people to use?
It converts solar energy into electricity.
It heats water that can be used to warm buildings.
It reflects energy away from Earth and toward space.
It uses the energy of moving water to rotate a turbine.
Runoff is most like which of the following?
a puff of steam
a flowing stream
a cloud in the sky
an invisible form of water
Which of the following has elastic potential energy?
a vase sitting on a shelf
a stretched rubber band
a child moving down a slide
sugars stored in the molecules of food
A student is going to compress the object shown in the diagram. Which form of energy will the object gain when it is compressed?
chemical
electrical
potential
electromagnetic
How might acid rain harm the environment?
It traps heat near Earth’s surface.
It causes coal to burn less efficiently.
It lowers the pH of bodies of water on the ground.
It allows harmful radiation from the sun to reach Earth.
Which of these resources is used to make plastics?
coal
uranium
petroleum
natural gas
The graph below shows the population of Los Angeles, California, from 1910 to 2000. What is a plausible explanation for what happened in Los Angeles from 1910 to 2000, according to
the graph?
conservation
deforestation
erosion
urbanization
How would the introduction of an exotic species most likely affect an ecosystem?
It would pollute the water or land.
It would increase the available resources.
It would compete with native species for resources.
It would cause the size of the ecosystem to increase.
Most producers use sunlight to make food through photosynthesis. What are the products of photosynthesis?
sugar and oxygen
carbon dioxide and water
chlorophyll, protein, and DNA
plant stems, leaves, and root systems
Which energy transfer takes place when water freezes to form ice crystals in the atmosphere?
No energy is transferred.
Energy is transferred from the air into the water.
Energy is transferred from the water into the air.
Energy is transferred from the water into the ground.
The following diagram shows how warm water and cool water move in the ocean. Which process does the diagram show?
radiation
absorption
conduction
convection
Earth’s surface is mostly water. However, only a small amount of water on Earth is clean fresh water. Why is it important to maintain water quality?
to keep water from evaporating
to keep the ocean levels from lowering
to keep the polar ice caps from melting
to keep water from becoming a nonrenewable resource
Many of the hybrid cars that people drive today run by burning gasoline, just as regular cars do. However, for some of the time that a hybrid car runs, it also charges an electric battery. This battery can be used to power the car so that the hybrid uses less gasoline than a regular car does. How could a hybrid car help reduce air pollution?
It stores the harmful exhaust that it creates and uses that to power the car
It burns less gasoline than a regular car does and thus produces less harmful exhaust.
It uses alternative energy sources instead of gasoline, which produces harmful exhaust.
It drives faster than a regular car does and therefore spends less time producing harmful exhaust.
Without other changes to a population, which of the following will cause a population to increase in size?
The birth rate equals the death rate.
The birth rate is less than the death rate.
The birth rate is greater than the death rate.
The birth rate and the death rate both equal 0.
The diagram below represents three processes in the water cycle. Which arrow or arrows represents a change of state from a liquid to a gas caused by the sun’s energy?
arrow A
arrow B
arrow A and arrow B
arrow B and arrow C
Which of the following best describes the movement of heat energy in the global ocean?
Heat energy is transported to the equator from the continents.
Heat energy in deep currents is transported to the ocean’s surface.
Heat energy in warm surface currents is transported to areas near Earth’s poles.
Heat energy is transported from areas of lower temperature to areas of higher temperature.
What is weather forecasting?
studying data to learn more about past weather events
studying data to predict likely future weather conditions
studying many sources of data to learn more about current weather conditions.
studying data received from satellite images to learn more about current weather conditions
The following image shows a region used to grow crops. How does the image show a method of conservation?
Arranging the steep land into levels slows erosion.
Plowing land into layers causes plants to grow taller.
Making the land steeper helps water flow more easily.
Planting more seeds results in a greater number of plants.
Scientists studied predator-prey relationships in a habitat. The diagram below shows the feeding relationships among organisms that a scientist might find in a certain environment. Which animal is both a predator and prey?
owl
plant
snake
cricket
What is kinetic energy?
energy of motion
the sum of mechanical energy and potential energy
stored energy due to position
stored energy due to chemical composition
A television weather forecaster said that warm, humid air near the ground was moving vertically into the cooler air above. What is likely to happen as a result?
a tornado
a hurricane
a storm surge
a thunderstorm
Why do plants that grow in the tundra have shallow root systems?
They have no soil in which to grow.
They cannot grow through the permafrost.
They are frequently soaked by heavy rains.
They are trampled each time animals migrate.
The turbine shown below is used to produce energy for human use. What type of energy conversion takes place in the turbine?
wind energy to produce electrical energy
solar energy to produce mechanical energy
thermal energy to produce chemical energy
energy from moving water to produce mechanical energy
The graph below shows the size of a squirrel population over 20 years. The trend displayed on the graph could be a result of what factor?
emigration
immigration
increased death rate
scarce resources
Coal is a natural resource. Why is coal considered nonrenewable?
Coal will never run out.
No new coal is being produced on Earth.
Coal is used to produce energy and not materials.
Coal is being used faster than it is being produced.
Trees can be classified as different kinds of resources. Which of these statements gives a reason for classifying a tree as an energy resource?
It is a renewable resource.
It can be used to build a home.
It can be burned to provide heat.
It requires energy to grow a tree
The law of conservation of energy describes
how the amount of total energy can change in a
closed system. Which of these statements
correctly describes this law?
The amount of kinetic energy in a system is a
constant value
An object can have potential energy or
kinetic energy, but not both at the same time.
Energy can be converted from one form into
another, but it cannot be created or destroyed
The amount of energy created when an object
moves is equal to the energy destroyed when
it stops moving.
As Wilma holds a pan over a fire, the water begins to boil, as shown in the figure below. Which process is indicated by the letter X?
radiation
insulation
convection
conduction
As Wilma holds a pan over a fire, the water begins to boil, as shown in the figure below. Which process is indicated by the letter Y?
radiation
insulation
convection
conduction
As Wilma holds a pan over a fire, the water begins to boil, as shown in the figure below. Which process is indicated by the letter Z?
radiation
insulation
conduction
convection
Three children are lined up to run a 50-meter race. The children all weigh the same. They start running at the same speed, but child 1 runs fastest over the final 10 meters and crosses the finish line first. What is true about the kinetic
energy of child 1 at the moment she crosses the finish line?
It is less than that of the other two children
It is the same as that of the other two children.
It is greater than that of the other two children.
Child 1 has no kinetic energy at the moment she crosses the finish line.
Which change of state takes place when a gas
loses energy?
melting
evaporation
solidification
condensation
Each organism has its own role in an ecosystem. Organisms can be producers, consumers, or decomposers. Which of these organisms can be classified as a decomposer?
Which of the following consumers is a herbivore?
cat
horse
human
vulture
Which level of an energy pyramid contains the most energy?
primary consumer
primary producer
secondary consumer
tertiary consumer
All organisms must obtain energy from their environment. Every organism needs this energy in order to grow and reproduce. How do producers obtain energy?
They obtain energy by eating plants, bacteria, and algae.
They extract chemical energy from decaying organic matter.
They extract energy from the chemicals in soil, air, and water.
They capture energy from sunlight and manufacture their own food.
Which of the following is an example of commensalism?
A bird is hunted, killed, and eaten by a cat
A bird eats berries, then spreads the seeds.
A bird finds an existing hole in a tree and builds a nest in it.
A bird finds a small shellfish on a beach, cracks its shell, and eats it.
What is one way that a temperate rain forest is different from a temperate deciduous forest?
A temperate rain forest has large populations of grasses rather than tall trees.
A temperate rain forest is made up of palm trees rather than coniferous trees.
A temperate rain forest has a long rainy season rather than moderate, year-round rainfall.
A temperate rain forest has trees that lose their leaves in winter rather than keeping them year-round.
Which example represents an abiotic factor in an aquatic ecosystem?
Water lilies float on top of a pond.
A population of bass is living in a lake.
The pH of a lake is decreased by acid rain.
Dragonflies feed on small insects near a pond.
Which term best describes the number and variety of organisms in a given area during a specific period of time?
carrying capacity
biodiversity
succession
eutrophication
The diagram shows changes to a pond ecosystem over time. Through which of the following processes are plant communities taking over the ecosystem?
acidification
primary succession
climate disturbance
natural eutrophication
Which biome has the least variation in temperature throughout the year?
taiga
tundra
tropical rainforest
temperate deciduous forest
The picture shows an arctic fox. In which biome does the fox most likely live?
desert
tundra
grasslands
temperate rain forest
