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WorksheetsPMA 3 Review 20-21
Total questions: 50
Worksheet time: 38mins
1. Which is the correct explanation of mass and weight?
A. Mass is how much matter there is in an object. Weight is the pull of gravity on an object.
B. Mass is the density of an object. Weight is the volume of an object.
C. Mass is the pull of gravity on an object. Weight is how much matter there is in an object.
D. Weight is the density of an object. Mass is the ratio of weight and volume on an object.
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
3. Scientists study different types of life on Earth and classify them into 5 different Kingdoms. Which of the following statement best describes why fungi and plants are classified in different Kingdoms of life?
A. Fungi are eukaryotes and plants are prokaryotes.
B. Fungi are heterotrophs and plants are autotrophs.
C. Fungi are multicellular, while plants are unicellular.
D. Fungi have vertebrates, and plants are invertebrates.
4. Which of the following correctly orders the levels of organization from the lowest to the highest level?
A. atom, molecule, cell, tissue, organ, organ system, organism
B. organ, organ system, tissue, cell, molecule, atom, organism
C. organism, atom, molecule, organ, organ system, cell, tissue
D. tissue, organ, molecule, atom, organism, organ system, cell
5. Riley rubs two rocks together. She notices that some of the surfaces of one of the rocks was worn away to form small particles. What has happened to that rock?
A. It was eroded.
B. It was dissolved.
C. It was exfoliated.
D. It was weathered.
6. If two objects are placed in thermal contact in an isolated system, which of the following is true?
A. Thermal energy will transfer from the hotter object into the cooler object until they achieve the same temperature.
B. Thermal energy will transfer from the cooler object into the hotter object until they achieve the same temperature.
C. Thermal energy will transfer from the hotter object into the cooler object until all of its energy is gone, then it will flow back.
D. Thermal energy will transfer from the cooler object into the hotter object until all of its energy is gone, then it will flow back.
7. Robert Hooke used a microscope to see that cork looked like it was made of little boxes. Anton van Leeuwenhoek saw tiny cells swimming in pond water. Which part of cell theory do these observations best support?
Cells come from other cells.
All organisms are unicellular.
Cells are the basic unit of life.
All organisms are multicellular.
8. Which statement correctly describes the interaction of two body systems?
The nervous system produces chemical messages that control the function of the reproductive system.
The digestive system breaks down food into nutrients that are carried to cells by the cardiovascular system.
The cardiovascular system takes oxygen to cells and removes carbon dioxide, which is excreted by the urinary system.
The respiratory system obtains oxygen and delivers it to the muscular system, which delivers oxygen to other body cells.
9. The diagram below illustrates how an object’s weight would change as it moves from one celestial body to another within our Solar System.
Which of the following statements correctly compares the force of gravity on Earth to the force of gravity of other celestial bodies within the Solar System?
A. Earth has a larger gravitational pull than Saturn.
B. Earth has a larger gravitational pull than Neptune.
C. Earth has a smaller gravitational pull than Uranus.
D. Earth has a smaller gravitational pull than the Moon.
10. Which of these is evidence that an unbalanced force is acting on an object?
The mass of the object is changing.
The object remains at rest.
The motion of the object is changing.
The object continues moving in a straight line at a constant velocity.
11. 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?
A. Smoke adds more carbon dioxide into the air.
B. Water in the river changes from the ash that settles in it.
C. Animals lose their plant-based homes and food sources.
D. Plants die causing the land to become more vulnerable to erosion.
12. A ball is sitting at the top of a ramp. As the ball rolls down the ramp, the potential energy of the ball decreases. What happens to the potential energy as the ball moves?
A. It is lost as gravitational energy.
B. It is converted to kinetic energy.
C. It is destroyed as the ball moves.
D. It is used to make the ball slow down.
13. Which of the following statements best describes how gravitational force is affected by mass or distance?
A. As the mass of the two objects increase, the gravitational force between the two objects increases.
B. As the mass of the two objects increase, the gravitational force between the two objects decreases.
C. As the distance between two objects increases, the gravitational force increases.
D. As the distance between two objects decreases, the gravitational force stays the same.
14. A famous scientist has a hypothesis that is different from the current scientific theory. What should happen to this scientist's hypothesis?
A. If the scientist is famous, then the hypothesis should be accepted, and the theory should be changed.
B. The hypothesis should be tested, and the results should be used to determine if the theory should change.
C. The hypothesis should be rejected if it does not agree with the current theory.
D. People can accept the hypothesis if they want, but others can choose to reject it.
15. Which list correctly shows the three parts of cell theory?
A
B
C
D
16. Jorge made a mistake when making his table below because he did not correctly describe the function of one organelle.
Which organelle’s function is NOT correct?
A. cell wall
B. vacuole
C. mitochondria
D. nucleus
17. Which of the following is NOT a reason why scientists classify organisms?
A. so that scientists all over the world can talk about organisms with a common language
B. so that scientists can organize all the different types of organisms to study them better
C. so that scientists can more easily identify new organisms that are discovered
D. so that scientists can tell the order in which the organisms were discovered.
18. Which of the following identifies the levels of hierarchical organization from least to most
complex?
A. cell > organ > tissue > organ system
B. organ system > cell > tissue > organ
C. tissue > organ > organ system > cell
D. cell > tissue > organ > organ system
19. Use the diagram of the Electromagnetic Spectrum below.
Which statement below is correct when comparing Infrared waves to X-ray waves?
A. X-ray waves have a longer wavelength, higher frequency, and less energy than Infrared waves.
B. Infrared waves have a longer wavelength, higher frequency, and less energy than X-ray waves.
C. Infrared waves have a shorter wavelength, lower frequency, and greater energy than X-ray waves.
D. X-ray waves have a shorter wavelength, higher frequency, and greater energy than Infrared waves.
20. 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?
A. 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.
B. 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.
C. It will flow from the ocean to the land as cool, dense air above the ocean is pulled down by gravity and spreads inland.
D. It will flow from the land to the ocean as cool, dense air is pulled down by gravity and spreads toward the ocean.
21. The diagram below represents two historical models of our Solar System.
How does the heliocentric model compare to the geocentric model?
A. The Earth is in the center of the Solar System in the geocentric model, while the Sun is in the center of the Solar System in the heliocentric model.
B. The Sun is in the center of the Solar System in the geocentric model, while the Earth is in the center of the Solar System in the heliocentric model.
C. The Rocky planets are towards the center of the Solar System in the geocentric model, while the gaseous planets are towards the center of the Solar System in the heliocentric
model.
D. The gaseous planets are towards the center of the Solar System in the geocentric model, while the rocky planets are towards the center of the Solar System in the heliocentric model.
22. How does the distance of Earth from the sun compare to the distance of the gas giants from the sun?
A. Earth is much closer to the sun than the gas giants are.
B. Earth is much farther from the sun than the gas giants are.
C. Earth and the gas giants are about the same distance from the sun.
D. Earth is located within the solar system with the sun, and the gas giants are located outside the solar system.
23. The distance between Earth and the Moon was determined by measuring the time it took for light waves from Earth to travel to the Moon and back. Why is it not possible to use sound waves for this experiment?
A. Sound waves must move through a substance, they cannot move through a vacuum.
B. Sound waves would change frequency on the return to Earth.
C. Sound waves move too slowly for the technique to be accurate.
D. Sound waves move more slowly in Earth’s atmosphere than in space.
24. Cathy designs an experiment to investigate how well cups made of different materials maintain the temperature of a cold drink. Which step will increase the accuracy and validity of Cathy’s results?
A. Use a different beverage in each cup.
B. Conduct the experiment in a cool room.
C.Conduct multiple trials and have another scientist repeat the experiment.
D.Analyze the experimental results and organize experimental data in a table
25. Which of the following choices includes two structures that are found in plant cells, but not in animal cells?
A. cell wall, nucleus
B. chloroplasts, ribosomes
C. lysosomes, mitochondria
D. cell wall, large central vacuole
26. Honeybees are important pollinators of flowers. Mites that live in the bodies of bees can attack honeybee colonies. Some birds, amphibians, and insects eat honeybees. Which of the following relationships is not included in the description above?
parasitism
mutualism
commensalism
predator-prey
27. 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?
A. The wolf population decreased unchecked.
B. The moose population increased unchecked.
C. The wolf population increased, and the moose population decreased.
D. The moose and wolf population leveled off at their carrying capacities.
28. Why do scientists describe the formation of solar systems as Big Bang Theory and not Big Bang Law?
A. Scientists are able to test and prove how the universe formed.
B. Scientists are able to test but not prove how the universe formed.
C. Scientists are not able to test how the universe formed but are able to use evidence to explain how the universe formed.
D. Scientists are not able to test and have no evidence to prove how the universe formed.
29. Elements are solid, liquid, and gas substances that can be found on Earth. Which statement best describes an element?
A. Elements are combinations of different atoms.
B. Elements are fast-moving subatomic particles.
C. Elements can be separated into smaller atoms.
D. Elements can combine to make living and nonliving things.
30. When a sound wave passes from a less dense medium to a denser medium, what happens?
A. The speed will stop.
B. The speed will increase.
C. The speed will decrease.
D. The speed will stay the same.
The graph above shows the results from an experiment that measured average plant growth in a species of the desert plant when groups of plants were grown at different temperatures. Which of the following is the BEST summary of the data in the graph?
A. Plant growth increase as temperature increases.
B. Plant growth decreases as temperature increases.
C. Plant growth decreases as temperature decreases.
D. Plant growth does not significantly change as temperature increases.
32. The figure below shows an attached earlobe, a characteristic that is seen when a person inherits a recessive allele, e, for this trait from each parent.
Which statement is correct?
A. The genotype is ee and it determines the phenotype.
B. The phenotype is ee and it determines the genotype.
C. The genotype ee and is an acquired trait.
D. The phenotype ee and it is an acquired trait.
33. The pedigree below is tracing the expression of a recessive trait for generations I & II. Both parents carry the trait but only one presents the trait.
Based on the information shown in the pedigree, what is the genotype for individual I-1?
A. heterozygous
B. homozygous recessive
C. homozygous dominant
D. heterozygous recessive
34. When are continental mountain ranges formed?
A. When two plates move apart along a mid-ocean ridge, allowing lava to fill in ocean basins.
B. When two plates move together, forming folds in the land over a long period of time.
C. When two plates of different densities collide and break apart.
D. When two plates along a transform boundary collide.
35. Sucrose is another name for table sugar. Sucrose is a compound made from the elements carbon, hydrogen, and oxygen. Which statement best describes the properties of sucrose?
A. They are exactly like the properties of carbon.
B. They are exactly like the properties of oxygen.
C. They are exactly like the properties of hydrogen.
D. They are different from the properties of all the elements sucrose contains.
36. Aleka wanted to find out which type of water would cause her plant to grow the tallest. Based on the picture of her experiment, what would the control (control group) be?
A. Group A with salt water.
B. Group C with tap water.
C. A new group with a different amount of soil.
D. A new group with a different size container
37. The table below relates color and surface temperature for different stars.
A scientist discovers a new star. It is blue-white and is about 20,000 K. Which star is it most similar to?
Sun
Rigel
Vega
Canopus
38. Ernesto is given two samples of wood as shown below.
He needs to determine if the samples are the same type of wood. Which property should Ernesto measure?
A. The mass because it will depend on the size of the sample.
B. The volume because it will depend on the size of the sample.
C. The weight because it does not depend on the size of the sample.
D. The density because it does not depend on the size of the sample.
39. The diagram below shows a cube that is made of an unknown substance and has a mass of 60 grams. Will the cube float when placed in the liquid, which weighs 3 grams? Why?
A. Yes, the density of the liquid is less than the density of the cube.
B. No, the density of the cube is greater than the density of the liquid.
C. Yes, the density of the cube is less than the density of the liquid.
D. No, the density of the liquid is greater than the density of the cube.
40. Rita wants to make some toast for breakfast, which she knows involves a chemical change to the bread. She puts a slice of bread in the toaster, but, after 10 minutes, she notices that the sides of the bread are black. What caused this chemical change to go too far?
A. an increase in temperature
B. a decrease in temperature
C. the size of the bread
D. the type of bread
41. The table below shows how four observations were made in science.
Which of the groups did NOT collect empirical evidence?
A. Group Y because they controlled only one variable in their experiment to make their observations.
B. Group X because they did not make observations about a phenomenon found in nature.
C. Group W because they did not make the observations themselves or do an experiment.
D. Group Z because they did not do an original experiment based on an original idea.
42. Chemical changes result in new substances, but physical changes do not. Which process is an example of a chemical change?
A. chopping a tree
B. cooking a steak
C. making a cup of tea
D. drying clothes in the dryer
43. A swimming team needs to choose new swimsuits and they have three different suits to choose from. Each suit is made of a different material. The team decides to do an experiment to determine which material will dry faster. The table below shows the different experimental designs the swimmers came up with.
Whose experimental design will provide the team with the most accurate data for which suit will dry faster?
Jose
Alyssa
Jayden
Brandon
44. Eclipses are predictable, solar system events. The answer choices below list the relative positions of Earth, the sun, and the moon. Which list represents the position of Earth, the sun, and the moon during a lunar eclipse?
A. sun, Earth, moon
B. Earth, sun, moon
C. sun, moon, Earth
D. moon, sun, Earth
45. The diagram below shows the alignment of the sun, the moon, and Earth.
Which of the following best explains why HIGH TIDES are happening at locations 1 and 3?
A. Radiation from the sun heats the water and it moves due to convection currents.
B. Earth’s tilt and orbit around the sun because the movement of Earth moves the water.
C. The sun’s gravitational pull on Earth because it is bigger than the Earth.
D. The moon’s gravitational pull on Earth because it is closer to Earth than the sun.
46. The diagram below shows the relative positions of Earth, the moon, and the sun. The moon is shown at four possible positions around Earth.
Which position of the moon could result in a solar eclipse?
A. 1 because only half of the moon shows.
B. 2 because the moon is between the Earth and the Sun.
C. 3 because only half of the moon shows.
D. 4 because the Earth is between the moon and Sun.
47. According to the Law of Conservation of Mass, which of the following statements best describes the total amount of carbon on Earth?
A. The total amount of carbon on Earth decreases as it moves through the carbon cycle.
B. The total amount of carbon on Earth changes depending on where it is in the carbon cycle.
C. The total amount of carbon on Earth gradually increases as it moves through the carbon cycle.
D. The total amount of carbon on Earth is consistent but limited as it moves through the carbon cycle.
48. A pharmaceutical company hypothesized that Chemical X prevents the common cold. In order to test their hypothesis, the company decided to set up medical trials with a group of 16,000 volunteers. The company divided the volunteers into four equal groups. Each group was given a pill to take which contained different amounts of Chemical X for three weeks. After three
weeks, each volunteer was then exposed to the common cold virus. The results of the study are shown in the table below.
Based on the information in the data table, what should the pharmaceutical company
conclude?
A. Chemical X was shown to be effective in preventing colds.
B. Sugar kept Chemical X from being effective in preventing colds.
C. Chemical X was not shown to be effective in the prevention of colds.
D. Sugar was more effective than Chemical X in the prevention of colds.
Which variable, shown on the graph above, is the dependent variable?
amount of water
fern
height
temperature
50. Charles Darwin studied finches on the Galapagos Islands. The finches on each island had slightly different shaped beaks. Darwin concluded that natural selection led to the evolution of different beak shapes in finches.
According to Darwin, which of the following MOST LIKELY happened?
A. The finches changed their beak shapes to eat the available types of food.
B. The different food types on each island caused each individual finch's beak to change shape.
C. Finches were born only on islands where their beaks were better shaped to eat the available types of food
D. Finches with beaks better shaped to eat the available types of food survived and reproduced most often.
