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WorksheetsComp Sci 2 - PMA 3 Review
Total questions: 50
Worksheet time: 25mins
1. 7.E.6.2 - Florida and the Atlantic ocean surrounding Florida are a part of the North American plate. Therefore, although Florida faces the Atlantic ocean, it is not at a tectonic plate boundary with an oceanic plate. However, plate boundaries can occur between continental plates and oceanic plates as shown in the figure below.
What can you conclude from this figure?
The two tectonic plates are sliding past each other horizontally along Earth’s surface.
The two tectonic plates are moving apart to create a mid-ocean ridge on the sea floor
The two tectonic plates are converging so that a mountain range forms on the continent.
The two tectonic plates are diverging causing the continental plate to buckle and form mountains
7.P.10.1 - Use the diagram of the Electromagnetic Spectrum. Which statement below is correct when comparing Visible Light (or white light) waves to X-rays waves?
X-ray waves have a longer wavelength, higher frequency and less energy than Visible light waves.
Visible light waves have a longer wavelength, higher frequency and less energy than X-ray waves.
Visible light waves have a shorter wavelength, lower frequency and greater energy than X-ray waves.
X-ray waves have a shorter wavelength, higher frequency and greater energy than Visible light waves.
7.E.6.4 - Over time, repeated cycles of heating and cooling can cause a rock to crack. The rock may then break into smaller pieces. What is this process called?
deposition
erosion
subsidence
weathering
7.E.6.2 - When two tectonic plates meet, they can interact in different ways. Their movements can cause changes to Earth’s surface. The diagram below shows a boundary between two tectonic plates. Which statement best describes the interaction between the plates?
An undersea volcanic mountain is being built up over a hot spot.
Sea floor is being built up as two plates diverge and volcanoes form at the boundary.
Sea floor is being destroyed as two plates converge and volcanoes form at the boundary.
A fault is being created as two plates slide past each other and volcanoes form at the boundary.
7.L.16.1 – Heredity is explained by which of the following?
an organism’s genetic make-up of allele frequency
the scientific study of genetics
the genetic material that carries information about an organism
the passing of traits from parent to offspring through DNA
7.E.6.4 - The picture below shows the rock layer in one part of the Grand Canyon. Based on the law of superposition, what is the order of these rock layers, from oldest to youngest?
1, 2, 3, 4
2, 1, 4, 3
3, 4,1, 2
4, 3, 2, 1
7.E.6.5 - Subduction occurs when one plate slides beneath another plate. The figure below shows the process of subduction. Notice that the oceanic plate slides beneath the continental plate. What happens when the crustal plates move as shown in the figure?
An ocean forms
Volcanic mountain ranges form
Sea-floor spreading occurs as the oceanic plate moves
A transform boundary forms where the subduction occurs
7.L.17.2 - Which of the following is an example of commensalism?
A bird is hunted by a cat, killed, and eaten
A bird eats berries and 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.
7.E.6.5 - The figure below shows part of what scientists think is happening in Earth’s mantle. What process does the figure show occurring in the mantle?
Hot rock expands, becomes less dense, and rises toward the surface of Earth.
Hot rock expands, becomes denser, and rises toward the surface of Earth.
Hot rock becomes less dense and moves towards the outer core
Hot rock becomes denser and moves towards the lithosphere
7.L.16.1/7.L.16.2 - Look at the diagram. Which of these choices should be placed in the box with the question mark?
AA
Aa
aa
AA or aa, but not possible to determine which one
7.L.16.1/7.L.16.3 - Which statement correctly describes a type of cell division?
Mitosis involves one cell division that produces four cells
Meiosis involves one cell division that produces two cells.
Mitosis involves two cell divisions that produce two cells.
Meiosis involves two cell divisions that produce four cells
. 6.E.7.4 - The Florida Current was first reported by the Spanish explorer Ponce de Leon in 1513 when he discovered Florida. As seen in the following map, the Florida Current flows around the southern tip of Florida and up the East Coast. How does the Florida Current most likely affect the climate of cities along the coast of southern Florida, such as Miami?
It brings more wind, which makes the air less humid
It brings dry air, which contributes to hotter temperatures
It brings cool water, which makes the air temperature cooler
It brings warm water, which makes the air temperature warmer
7.N.1.5 - Three students use their bodies to show how the sun, the moon, and Earth are aligned during the phases of the moon. What is one limitation of this model?
It cannot show the relative motion of the three objects.
It cannot be used to show the direction of Earth’s revolution
It cannot be safely used to show gaseous objects such as the sun
It cannot show how the sun’s light affects the moon’s appearance
7.P.11.4 - How does heat affect the thermal energy of an object that is colder than the air that surrounds it?
Heat decreases the thermal energy of an object as energy moves to the air.
Heat causes the thermal energy of the object to increase as energy moves from the warmer air to the colder object
Heat has no effect on thermal energy, but it increases the potential energy of an object.
Heat is not related to thermal energy, so it cannot affect the thermal energy of an object.
7.P.10.3 - When a sound wave passes from a less dense medium to a denser medium, what happens?
The speed will stop
The speed will increase
The speed will decrease
The speed will stay the same
7.P.11.2 - Ian reaches for a flashlight to switch it on. Which diagram shows the energy conversion that takes place when the flashlight is turned on?
7.P.11.2 - Damon is a musician playing in a band. At the end of a song, he plucks a single guitar string. The string moves rapidly back and forth as shown in the figure below. Which of these statements explains what happens to the kinetic energy of the moving string?
All of the energy is changed into potential energy and stored
All of the energy is converted to sound energy and heat energy
The kinetic energy is destroyed as the string moves until none remains
Some of the energy is converted to sound energy and the rest is destroyed
7.E.6.2 - One afternoon, Hakim walked along some sand dunes. When he returned the next day, the sand dunes had a different shape. What most likely caused the sand dunes to change?
Heat
Light
Water
Wind
6.L.15.1 - Which of the following is NOT a reason why scientists classify organisms?
so that scientists all over the world can talk about organisms with a common language
so that scientists can organize all the different types of organisms to study them better
so that scientists can more easily identify new organisms that are discovered
so that scientists can tell the order in which the organisms were discovered
6.L.14.4 – Where does energy production take place in animal and plant cells?
In the animal cells mitochondria and the plant cells chloroplast.
In the animal cells vacuole and the plant cells mitochondria
In the animal cells mitochondria and the plant cells vacuole
In the animal and plant cells mitochondria
6.L.15.1 - Which of the following statements correctly identifies the general characteristics of organisms in a domain?
Domain Eukarya includes single-celled organisms that lack nuclei
Domain Bacteria includes multicellular organisms that make their own food
Domain Archaea includes single-celled organisms that can be found in hot springs and thermal vents
Domain Protista includes single-celled and simple multicellular organisms that have plantlike or animal-like characteristics
6.P.13.3 - Elizabeth is a wildlife biologist. She traveled by boat in the Everglades to observe alligators. The following graphs show the motion of her boat at several times during the trip. Which graph shows her boat traveling when it is not accelerating?
7.N.1.1 - Scientists use many different methods of investigation. When possible, scientists want to actually experiment or observe an event. Which method is useful when developing a scientific explanation for an event that cannot be studied directly?
Conduct a field survey of bird populations in an area
Observe the effect of various fertilizers on corn crop yields
Use a computer model to study how the ocean liner Titanic sank
Use a wind tunnel to measure air drag on various types of automobiles
7.N.1.1 - Clara tests a hypothesis that the heavier of two materials will insulate cold drinks better than the lighter-weight material. She adds equal volumes of the same cold beverage to two cups. One cup is made of lightweight plastic foam, and the other cup is made of a heavier, ceramic material. She records her results in a chart. How are these experimental results valuable to Clara?
The results explain why the materials perform differently
Clara has to accept that her hypothesis was not supported
Clara can use a different heavier material to see if she obtains different results
The results can be communicated with others through newspapers, magazines, and the Internet to increase the validity of her results
7.N.1.2 - Which of the following sentences is true about repetition and replication?
Repetition requires the experiment to be done at least three times, while replication requires the experiment to be done by another researcher.
Repetition requires that the experiment be repeated until the predicted results are found, while replication requires the experiment to be done at least three times.
Repetition requires the experiment to be done by at least three other researchers, while replication requires the same results to be found each time
Repetition requires that the experiment be done by at least three researchers, while replication requires the experiment to be done at least five times
7.N.1.2/6.N.1.4 - The following graph shows the results of an experiment done by four different groups.Each group took a different rubber band and recorded how far it stretched as they added weights to it. Which of the following BEST explains why the four groups got different results?
They all used metric rulers to measure
They used different sized rubber bands
They performed the test at different times
They tested the rubber bands with the same weights
7.N.1.1 - Scientists were studying the trout in a lake. They recorded the weight and sex of each trout and then released the trout. The graph below shows the results of the study. Which question could the graph be used to answer?
What was the weight of the heaviest trout?
How does the weight change as a trout grows?
What was the most common weight range?
How many trout weighed exactly 5 pounds?
7.N.1.3 - Which sequence of steps does a scientist follow during an experimental investigation?
collect data; analyze data; draw conclusions
draw conclusions; interpret data; graph results
plan an experiment; draw conclusions; collect data
identify variables; define a problem; plan an experiment
6.L.15.1 - Felicia’s teacher gives her the following list of types of organisms:
1. Ferns
2. Yeasts
3. Algae
4. Insects
Felicia needs to identify the kingdom for each type of organism. In what order could she list the kingdoms for organisms 1 through 4?
Plantae, Fungi, Protista, Animalia
Animalia, Protista, Plantae, Fungi
Plantae, Protista, Fungi, Animalia
Fungi, Plantae, Protista, Animalia
7.N.1.1 - Good experiments follow organized procedures. Which of these phrases describes ANOTHER CHARACTERISTIC of a good scientific experiment?
Uncontrolled surroundings
Results that can be replicated
Small sample size for collecting data
Variable procedures for obtaining data
6.N.1.3 - Anton is a geologist. He wants to get the best possible information about lava flows from eruptions that are happening at some specific locations around the world. He wants to be able to vary what he studies based on his initial findings. Which type of investigation should Anton conduct?
A survey
Fieldwork
Library research
A laboratory investigation
7.N.1.4 - Controlled scientific experiments include variables. One kind of variable is an independent variable, and the other kind is a dependent variable. Which statement describes the difference between an independent variable and a dependent variable?
The dependent variable does not change, and the independent variable does change
The independent variable does not change, and the dependent variable does not change
The dependent variable is the control, and the independent variable is the result
The dependent variable changes based on the independent variable
7.N.1.1 - In addition to making observations, what do you need to do in a scientific study?
Write a newspaper report
Make a conclusion or explanation
Repeat the observations in a science lab
Show that there are other probable outcomes to the experiment
6.L.14.2 - An Amoeba is a unicellular, animal-like protist that lives in ponds and streams. According to cell theory, where did this cell come from?
Another pre-existing amoeba cell
Energy from the sun that allowed the protist to reproduce
A multicellular organism
The non-living environment
6.E.7.4 – A forest fire was caused by a lightning strike in Split Oak Forest. Which of the following describes the interaction between the geosphere and biosphere after this forest fire was extinguished?
Smoke adds more carbon dioxide into the air
Water in the river changes from the ash that settles in it
Animals lose their plant-based homes and food sources
Plants die causing the land to become more vulnerable to erosion
7.P.10.3 -
Read the passage "Baseball" below.
Mitchell watched as his son stepped up to bat during his championship baseball game. After the pitch, he saw the ball fly from the bat and then heard the crack of the bat a moment later.
Which of the following explains why there was a difference between seeing the ball fly and hearing the bat connect with the ball?
The light waves traveled back from the sky, gaining energy, and the sound waves traveled in a straight line, losing energy, causing the sound to be delayed
The light waves traveled in a straight path, allowing the ball to be seen first, and the sound waves bounced up into the sky and had to be reflected back, causing the sound to be delayed
The light waves traveled with a faster speed in the air, allowing the ball to be seen first, while the sound waves moved with a slower speed in the air, causing the sound to be delayed
The light waves traveled with a lower frequency in the air, allowing the ball to be seen first, while the sound waves moved with a higher frequency in the air, causing the sound to be delayed
7.L.17.2/7.L.17.3 - Assume that conditions in the habitat remained similar to those in 1990. Based on the data, which of the following changes most likely occurred from 1990 to 2000?
The wolf population decreased unchecked
The moose population increased unchecked
The wolf population increased, and the moose population decreased
The moose and wolf population leveled off at their carrying capacities
6.L.14.5 - Which of the following best explains the interaction between the digestive system and the respiratory system?
To use the energy in food broken down by the digestive system, the body needs oxygen obtained by the respiratory system
The main function of the respiratory system is to control, coordinate, and regulate most of the functions of the digestive system
Coordination between the respiratory and digestive systems is necessary because the digestive system obtains oxygen needed by the respiratory system
The digestive system obtains nutrients from the food that is eaten, and the respiratory system transports the nutrients to the brain where they are needed
6.L.14.5/6.L.14.6 - Which statement below correctly distinguishes bacteria from a virus?
Bacteria and viruses are non-living and only cause disease in humans
Bacteria and viruses are living organisms that cause disease in all living things
Bacteria are living, while viruses are non-living and both can cause diseases in all living things.
Bacteria are non-living, while viruses are living organisms and both can cause diseases in only humans
6.P.13.1 - The diagram below shows the effect of mass and distance on the force of gravity. Which configuration will result in the greatest gravitational force?
Small masses far apart
Large masses far apart
Small masses close together
Large masses close together
6.P.13.1 – Which of these are ALL non-contact forces?
Gravity, air resistance, magnetic
Gravity, electrical, magnetic
Electrical, magnetic, friction
Applied, normal, friction
6.E.7.5 - Why is it hotter at the equator than it is at the poles?
Because the equator is closer to the sun
Because the sun's energy is more spread out at the equator
Because the sun's rays hit the earth's surface at a higher angle at the equator.
Because the sun is always directly overhead at the equator
7.L.17.2/7.L.17.3 - The food web below shows the feeding relationships among organisms in a temperate forest. Which of the following would be a logical effect on the ecosystem if the deer population doubles within a short period of time?
The plant population will decrease rapidly and then the rodent population will decrease
The plant population will decrease rapidly and then the rodent population will decrease
The population of insects that feed on ferns will increase rapidly and then drop off rapidly
The number of wolves in the forest will decrease due to competition with deer for resources
6.E.7.5 - Directions: The pictures below show the temperature variation between the ocean and the ground at a typical coastal location. Use the pictures to answer the questions that follow. If the Sun's energy is NOT radiating over the ocean and land at night, then in which direction will the air flow at night?
It will flow from the land to the ocean as the warm, light air on the surface of the ocean rises, pulling the cool, dense air outward from the land
It will flow from the ocean to the land as warm, light air above the land rises, pulling the cool, dense air inland from the ocean
It will flow from the ocean to the land as cool, dense air above the ocean is pulled down by gravity and spreads inland
It will flow from the land to the ocean as cool, dense air is pulled down by gravity and spreads toward the ocean
6.L.14.2/6.L.14.3 - Cells exchange materials with the environment around them. What is the main reason for this?
To replace damaged and dying cells
To keep the cell membrane functioning
To release energy into the environment
To get rid of wastes and take in nutrients
6/L.14.4 - Which statement describes the differences in structure and function of vacuoles within plant and animal cells?
Animal cells and plant cells both need large central vacuoles because they both store large amounts of water
Animal cells require a large central vacuole to store water since animals are made up of mostly water and plant cells obtain their water from the soil.
Plants require smaller vacuoles than animals because they only need to store limited quantities of water while animals need to store large quantities of water
Plant cells require a large vacuole because they need to store larger amounts of water for later use, while animal cells require multiple smaller vacuoles for storage
6.L.14.1 - Which of the following identifies the levels of hierarchical organization from least to most
complex?
cell > organ > tissue > organ system
organ system > cell > tissue > organ
tissue > organ > organ system > cell
cell > tissue > organ > organ system
6.P.13.3 - Jennifer stands on one side of a refrigerator and pushes with a force of 75 N towards Sam. If Sam wants to help Jennifer demonstrate balanced forces, what does he need to do?
Push with a force of 75 N toward Jennifer
Push with a force of 150 N toward Jennifer
Push with a force of 75 N in the same direction as Jennifer
Push with a force of 150 N in the same direction as Jennifer
7.L.17.2/7.L.17.1 - Use the food web below to answer the following question. Which of the following best describes a relationship in the food web?
The mouse is a producer because it consumes the green plant
The goat is a primary consumer because it is consumed by the jackal
The wild cat is a secondary consumer because it consumes the rabbit
The green plant is a decomposer because it is consumed by the rabbit
7.L.16.1/7.L.16.2 Look at the diagram below. Assume that shaded individuals have the alleles gg. Which of these statements is true about the alleles of individual 2 in generation II?
Individual II-2 must have the alleles GG.
Individual II-2 must have the alleles Gg.
Individual II-2 must have the alleles gg.
Individual II-2 could have either the alleles Gg or the alleles gg.
