Praxis Pennsylvania Grades 4–8 Core Assessment (5152) Practice Exam

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• What type of angles add up to 90 degrees?
• What principle describes that a chemical compound contains elements in a fixed ratio by mass?
• What is the layer of Earth that comprises 70% of its volume?
• What is the purpose of a control group in an experiment?
• Which law states that matter cannot be created or destroyed during a chemical reaction?
• In taxonomy, which classification follows Phylum?
• Which formula is used to calculate the area of a trapezoid?
• What type of triangle is characterized by having all sides of different lengths?
• What type of change occurs during the melting of ice?
• What subatomic particles make up the majority of an atom's mass?
• What term refers to how bright a star appears from Earth?
• What do you call two angles that add up to 90 degrees?
• In which era did the first life forms appear?
• What is the function of the cerebellum?
• What is the function of a telescope?
• Which scientific principle is demonstrated by stating that gas pressure increases as temperature increases, assuming volume remains constant?
• What type of muscles are striated and controlled by conscious thought?
• What process involves the removal and transportation of sediment?
• Which of the following is NOT a characteristic shared by Venus and Earth?
• Which property does any non-zero number raised to the zero power hold?
• Who developed the theory of gravity?
• What common feature is observed in oligotrophic lakes that affects aquatic life?
• What is a characteristic feature of striated muscles?
• What is the process called when a substance transforms from a liquid to a gas?
• Which process contributes to the formation of metamorphic rocks when hot magma or lava contacts other rocks?
• Which part of the brain controls involuntary actions such as digestion and breathing?
• What type of biological tissues are unique to animals?
• Which organism classification level is broader than species but more specific than family?
• What does the cell membrane do for the cell?
• What is the process called in which a single parent produces offspring?
• What type of tissue connects bones to other bones in the joints?
• Who expanded the scientific notion about the age of the Earth through geological theory?
• What is the name given to the moon phase when three-quarters of the moon is visible?
• What is the name of the layer of the Earth's atmosphere where most weather changes occur?
• Which scientist is recognized for creating a more accurate model of the atom?
• Which law accurately reflects the proportions of elements in a chemical compound?
• What component primarily contributes to the structural support in biological cells?
• Which organelle is responsible for processing proteins and other macromolecules for cell secretions?
• What classification level includes organisms that can interbreed and produce fertile offspring?
• Which phase of the moon is also known as the first quarter?
• What term describes a group of interbreeding individuals that share a common gene pool?
• What term describes angles that add up to 180 degrees?
• What is the scientific study of the classification of living organisms known as?
• What is the process called when a liquid or gas moves in an up/down direction?
• What is it called when the population of one species decreases as the population of another species increases?
• What layer of the Earth is primarily mineral in content?
• What term describes an organism that produces its own food?
• Which layer of Earth is composed of solid rock, including both continental and oceanic crust?
• What phenomenon is described as the Earth’s rotation around the Sun?
• What category do asteroids belong to in the context of the solar system?
• What is the sum of the measures of complementary angles?
• What two organs are primarily involved in the cardiovascular system?
• What is the process called when new species develop through evolution?
• Which gas makes up about 0.036% of the Earth's atmosphere?
• Which property states that multiplying a sum by a number results in the same product as multiplying each addend by that number?
• Which cellular process results in two daughter cells with the same number of chromosomes as the parent cell?
• What is the term for diatomic oxygen, a molecule comprised of two atoms of oxygen?
• What is the primary ecological role of mesotrophic lakes in comparison to the other types?
• What is the term used to describe the oldest and stable part located in the upper mantle of the earth?
• What is the primary type of blood vessel that carries blood back to the heart?
• Which state of matter has a definite shape and volume?
• What type of energy is associated with an object's position?
• What is the role of the pancreas in the body?
• What shape is the moon described as between the half moon and the new moon?
• How are metamorphic rocks formed?
• Which of the following describes a zygote?
• What ecological practice involves replanting trees in areas where forests have been cut down?
• What term describes the process of creating a mirror image of an object?
• Which of the following describes an example of symmetry?
• What term is used to describe the phenomenon of having two full moons in a single calendar month?
• What does the range of a function represent?
• Which type of triangle has at least two sides that are the same length?
• Which term refers to a number that, when added to another number, results in zero?
• What method of heat transfer occurs through wave energy?
• What table lists symbols for each known element and includes information about the number of protons in the atomic nucleus?
• What is the function of rods and cones in the human body?
• What connective tissue unites a muscle with a bone?
• When looking for lines of symmetry in an object, what are you identifying?
• What is the transformation called when a shape slides without turning?
• What is defined as the development of traits influenced by both genetic inheritance and environmental factors?
• What is the molecular formula for ozone?
• What is the total number of chromosomes found in a human zygote?
• What is the second most abundant gas in the Earth's atmosphere, accounting for 21%?
• What role does oxygen play in weathering processes on Earth?
• What device is used to convert stored chemical energy into the moving energy of electrons running through a wire?
• What type of ecosystem is characterized by evergreen coniferous forests and a slightly warmer climate than tundra?
• Which planets are referred to as part of the inner solar system?
• In which type of relationship do both species benefit from their interaction?
• What is the process of introducing relevant DNA into an existing organism to code for a specific purpose called?
• Who is an American behavioral scientist known for operant conditioning and emphasizing positive reinforcement over punishment?
• Which of the following describes an organism that relies on consuming other organisms for energy?
• What phenomenon occurs when the Earth lies between the Moon and the Sun?
• What role does artificial selection play in agriculture?
• Which gas is most abundant in the Earth's atmosphere, making up 78%?
• Which of the following is a key function of proteins in cells?
• Which two kingdoms are considered the most primitive due to their prokaryotic organisms?
• What is the property that states that a set is closed under addition and multiplication?
• What is the primary function of the nucleus in a cell?
• Which statement best describes the relationship between potential energy and an object's height?
• Which type of tissue is primarily responsible for voluntary movement?
• Which statement best describes the energy involved when an apple falls to the ground?
• Which organ system is responsible for the regulation of bodily fluids and waste removal?
• What is the main role of tendons in the body?
• Which of the following represents a control variable in an experiment?
• What is the term used to describe the reciprocal of a number?
• When describing the brightness of celestial objects, what does 'absolute magnitude' signify?
• What is characterized as a change in the structure or volume of a folded geological layer over time?
• Which type of sedimentary rock is considered a secondary rock type?
• Which sedimentary rock is formed when minerals are left behind after water evaporates?
• What phase is described as not visible on Earth due to its position relative to the sun?
• What indicates that a point on a number line is not included in the set?
• What type of lake is characterized by more nutrients than oligotrophic lakes and may have organic matter accumulation on the bottom?
• What process results in the formation of four reproductive cells, each with half the number of chromosomes found in the parent cell?
• Which graph is commonly used for illustrating values for categories or for discontinuous data?
• What type of symmetry is created when an object can be divided into two identical halves?
• What property allows the order of numbers to be swapped in addition or multiplication without changing the result?
• What is the most common form of carbon found in the Earth's atmosphere that is exhaled by humans and animals?
• What physical characteristic of Venus is similar to Earth?
• How does Venus differ from Earth in terms of natural satellites?
• What type of rocks are formed from existing igneous or sedimentary rocks that undergo metamorphosis?
• What is the significance of a blue moon?
• What is advection in terms of heat transfer?
• What is the primary function of arteries in the body?
• Which project focused on the genetic mapping, physical mapping, and DNA sequencing of human DNA?
• Which property describes the ability to perform addition or multiplication on numbers and still have the result in the same number set?
• What is the fundamental aspect of reflections in geometric transformations?
• What condition is indicated by a pH greater than 7?
• Which organs are part of the excretory system?
• Which organ in the body is responsible for insulin production?
• In data representation, what is a histogram primarily used for?
• What term refers to the movement of organisms from one place to another?
• Which geometric concept is associated with balance and similarity in shapes?
• Which type of nerves carry messages from the brain to the body?
• Which type of climates cover about 30% of the land on Earth?
• What lies between Mars and Jupiter in the solar system?
• Which type of exploitation in lakes can lead to vulnerable fish populations during certain seasonal conditions?
• Which of the following planets is known for having many moons?
• Which two main parts constitute the nervous system?
• Which law asserts that the pressure of a fixed amount of gas at constant volume is directly proportional to its temperature in kelvins?
• In what context is the term 'neutralization' most commonly used?
• What yields the classification of an air mass based on its source region?
• What do we call different versions of an atom that have the same number of protons but different numbers of neutrons?
• What is the classification of bacteria that do not have a nucleus?
• Which climate type is characterized by the shortest growing season?
• Which set of planets consists of the outer solar system?
• What is the additive identity of a number?
• In chemistry, what does the law of conservation of mass imply about a chemical equation?
• What are the common examples of metamorphic rocks?
• Which term describes the middle value in a set of numbers when arranged in order?
• What do you call the sum of the number of protons and neutrons in an atom?
• What phenomenon occurs when solar winds collide with the Earth's atmosphere?
• What phenomenon involves the transfer of heat vertically through fluid movement?
• What is frozen carbon dioxide commonly known as?
• What type of clouds typically indicate fair weather?
• How many quadrants does a 270-degree rotation move a shape?
• What mathematical operation is performed to find the conjugate of a binomial?
• Which figure is most likely to have more lines of symmetry?
• What environmental practice is used primarily to control floods?
• Which of the following defines an integer?
• What term refers to the entire system through which blood circulates in the body?
• What type of energy is demonstrated by an apple falling to the ground, transferring energy from stored energy due to motion?
• What is the correct definition of mass number?
• What mnemonic device helps recall the order of planets from the sun?
• What are rocks formed directly from the cooling of magma called?
• What is the formula used to calculate the circumference of a circle?
• Which of the following accurately describes asexual reproduction?
• What is the role of sensory nerves in the peripheral nervous system?
• Which triangle necessarily has all sides equal and all angles equal?
• What is the process called when an acid reacts with a base to produce pure water?
• What is the structure that consists of DNA wound around proteins, with sections called genes?
• Which structure is characterized by the absence of ribosomes?
• Which type of graph is best used for tracking the trend of a single object over time?
• What technique uses images from multiple telescopes to create a single image?
• In which category do Mercury and Venus fall regarding their moons?
• How does light travel according to the provided information?
• What is the primary characteristic of absolute zero?
• What type of relationship exists where one species benefits and the other neither benefits nor is harmed?
• What term describes forms that result from the growth and aggregation of ice crystals?
• Which characteristic refers to the gravitational force acting on an object?
• Which term describes the set of all possible input values for a function?
• Which type of graph is used to represent trends of several items simultaneously?
• In ecological terms, what do the categories producers, primary consumers, secondary consumers, and tertiary consumers represent?
• What is the term used when matter changes from one state to another?
• What is the result of adding zero to any number?
• Which of the following represents the four main systems of Earth?
• What term is used to describe how bright a star appears when viewed from a standard distance of 32 light years?
• Which term describes an organ that no longer serves a purpose after the evolution of a species?
• Stratus and cumulus are types of which category of clouds?
• Which of the following describes the process of heat transfer through conduction?
• What is identified as an agent of chemical weathering?
• Who is known for developing the concept of classical conditioning through experiments with dogs?
• What characteristic distinguishes an equilateral triangle?
• Which term best describes the group of planets including Jupiter and Saturn?
• Which of the following describes a forest characterized by specific types of trees like spruce and fir?
• In a 90-degree rotation, how many quadrants does a shape move?
• Which type of sedimentary rock is formed from the fusion of pieces of rock, mineral, and organic material?
• What is the outer shell of Earth that includes tectonic plates called?
• What is the term for a triangle where no sides are equal?
• What formula represents the area of a triangle?
• What is indicated by a low number of sunspots and decreased solar activity?
• In geometry, which angles total 180 degrees?
• Which of the following is not a characteristic of integers?
• What kind of sedimentary rock is made from the remains of plants and animals?
• Who proved that the Earth revolves around the Sun?
• Which mathematical property describes the operation of multiplying each addend by a number and then adding the products?
• What is a real number that can be expressed as a fraction called?
• Which of the following best describes the condition of a eutrophic lake?
• Which of the following is NOT part of the excretory system?
• Which planet in order from the sun is known as the closest?
• Which of the following defines a prime number?
• What phenomenon describes the change in pitch of a sound as it approaches and moves away from a source?
• What atmospheric condition does Venus have that is similar to Earth?
• What is primarily processed in the central nervous system?
• What type of tissue is elastic and found in some joints, as well as in the nose and ear?
• Which of the following shapes cannot have symmetry?
• What is the formula to calculate the area of a circle?
• Which type of lake is known for being clear, deep, and having a structured food chain with low phosphorus readings?
• Which type of transformation is described as flipping an image across a specific axis?
• In physics, what are the three states of matter?
• What gas is most prevalent in Earth's atmosphere?
• Which property indicates that the way numbers are grouped does not affect the product when multiplying?
• What is the term used to describe the change from solid to liquid?
• What happens to the shape when a reflection is performed in geometry?
• What weather phenomenon occurs when rain droplets freeze as they pass through below-freezing air?
• What feature is unique about a circle compared to polygons?
• What is defined as the number that occurs most frequently in a data set?
• What is the result of a 360-degree rotation?
• Which igneous rock is known for its glassy appearance due to rapid cooling?
• Which device utilizes a spinning mass to maintain orientation in multiple directions?
• Which is true about crescent moons?
• Which mathematical expression represents a circle?
• What term describes a relationship where one organism benefits while the other is harmed?
• Which functions are associated with the cerebellum?
• What biomolecule makes up more than 50% of the dry weight of most cells and has various roles including structural support and defense?
• What term describes the vibrations that create sound?
• What type of tissue consists of long cells that contract when stimulated to produce motion?
• What is the term for the initial cell formed when two gamete cells unite during sexual reproduction?
• Which type of clouds are found at upper levels of the atmosphere?
• In geometry, what effect does a reflection have on the orientation of an object?
• Which term describes the amount of energy radiated by the surface of a star?
• What is the correct order of biological classification starting from the broadest category?
• What particles orbit around the nucleus of an atom?
• What term describes the accumulation of materials by a glacier?
• From which part of the heart does blood enter the right atrium?
• What is the primary function of ligaments in the body?
• How many lines of symmetry does a regular hexagon have?
• What is hail formed from?
• What is the term for the intentional breeding of organisms for specific traits?
• Which type of heat transfer does not require a medium?
• Which element's deficiency is most commonly associated with anemia?
• How many main types of rocks are categorized in geology?
• What area of study examines interactions among organisms and their environment?
• What do you call a transformation that involves turning a shape around a fixed point?
• Which process describes the transformation from gas to liquid?
• What mechanism describes the survival and reproduction of organisms with traits well-suited to their environment?
• Which best describes objects that line up when folded along a crease?
• What type of graph is used when comparing the relative proportions or percentages of several subgroups within a single category?
• What is the function of ribosomes in a cell?
• Which organelles are involved in the process of photosynthesis?
• What temperature scale uses only positive numbers and has 273 degrees equal to 0 degrees Celsius?
• What structure serves as a storage area for food, water, and waste in a cell?
• What medical condition is characterized by a lack of iron?
• What type of lake is characterized as shallow, nutrient-rich, and capable of supporting large fish populations?
• What is the result of reflecting a triangle across a line of symmetry?
• How does migration benefit organisms in different environments?
• What is an example of a chemical sedimentary rock?
• What type of rocks are formed from accumulation of small pieces of broken-off pre-existing rocks?
• What is frequently used to visually compare and analyze population data across different categories?
• What do we call the difference between the largest and smallest numbers in a data set?
• What is the term for the number of protons found in the nucleus of an atom?
• In graphing, what indicates that a value is included in a number line representation?
• Which of the following cellular structures is associated with the mass of an atom?
• Which of the following processes is highlighted by BF Skinner as more effective in behavior modification?
• What is the process called where water molecules pass through the cell membrane?
• What is the term for the middle value in a data set when it is ordered?
• What phenomenon occurs when rain freezes upon contact with cold surfaces?
• What are Pluto, Ceres, Eris, Haumea, and Makemake classified as?
• Which statistical term is used to describe the average of a set of numbers?
• What is the sum of the measures of supplementary angles?
• What is the most effective graph type for showing changes over time in a continuous data set?
• What is the primary disadvantage of frozen carbon dioxide as a storage method?
• What is the temperature known as absolute zero expressed in Celsius?