Praxis Middle School Science (5442) Practice Test

These questions are part of the practice quiz. Start practicing

• Which change results in the formation of substances with new properties?
• What process occurs when an oceanic plate sinks into the mantle at a subduction zone?
• What is the strong, lower portion of the Earth's mantle called?
• The resistance to flow is called
• Which state features particles tightly packed with little movement?
• In subduction zones, which plate tends to sink?
• Which formula converts Celsius to Fahrenheit?
• Which protective layer shields Earth from ultraviolet radiation?
• Waves that move through matter are called what?
• What boundary forms when tectonic plates move apart?
• Which atmospheric layer lies directly above the Troposphere?
• Which field studies Earth and Space, including planets, stars, rocks, and nonliving things?
• Which group includes groups 3 through 12 in the periodic table?
• Which group contains halogens?
• Which term describes a substance's tendency to undergo chemical changes, such as flammability and reactivity?
• Which method of heat transfer can occur through a vacuum?
• Forces act in pairs; for every action, there is an equal but opposite reaction.
• What term names the three branches of science?
• Which atmospheric layer contains most of the weather and atmospheric water vapor?
• The number of waves that pass a fixed point in a given unit of time is called?
• Which term describes the characteristics used to identify minerals such as color, streak, luster, and hardness?
• Which term means distance north or south of the Equator, measured in degrees?
• Which term describes the characteristics including amplitude, wavelength, and frequency?
• What term is used for the charge of an atom?
• Which term corresponds to the gravitational law that predicts the motion of objects under gravity but does not explain the cause?
• Which equation correctly converts Fahrenheit to Celsius?
• Group 18 is known as what on the periodic table?
• Which term is the variable you change in an experiment?
• Which term represents the International System of Units, the standard unit system in measurements?
• Which term refers to the maximum height of a wave above its resting position?
• What is a change to the physical properties of matter, such as size, shape, or state, called?
• Which term includes Tropical, dry, moderate, continental, polar climate types?
• What is the area around a electric charge that experiences the force?
• What term describes the number of electrons that pass a point in a given time?
• The amount of mass at the start of a reaction will equal the amount of mass after. What is this principle called?
• Which term describes a solution that has a lot of solute?
• What process describes the formation of new ocean floor when magma rises at mid-ocean ridges?
• What is the approximate altitude range of the troposphere?
• Size of force
• Which process is the separation of charges caused by an electric field?
• Which field studies all living things: plants, animals, and single-celled organisms?
• The substance that dissolves in the solvent is called the
• The elements in the first column (excluding hydrogen) are known as what category?
• Under extreme conditions solids can change into a gas directly; process is
• Which term describes the ability of a substance to dissolve in another?
• Which climate zone describes mid-latitude interior areas with wide temperature variation and less precipitation, including humid continental and subarctic regions?
• Which term best describes the amount of motion an object has?
• Which material is good at transmitting energy and is typically metal?
• Which term describes the bending of waves around a barrier?
• What is the bending of waves as they travel through different mediums?
• Which term describes the area around a charge that experiences force?
• What term refers to how well a substance can dissolve in another?
• What term describes the change of position?
• What term describes the substance into which a solute dissolves in a solution?
• Which material is typically a conductor, allowing electrons to move easily?
• What term describes anything that has mass and takes up space?
• Waves that move through vacuums are called?
• Which type of energy depends on an object's motion and its position within a system?
• Which atmospheric layer forms the outer edge of the thermosphere and extends into space?
• What describes the bending of waves around a barrier or through small openings?
• Who discovered the electron?
• When molecules are combined together, what term best describes the resulting substance?
• Which term is defined as a trial where all the variables are held constant and a control is used as the standard of comparison for your experiment?
• At standard conditions, what is the boiling point of water in Celsius?
• Which of the following expressions correctly converts Fahrenheit to Celsius?
• Which of the following best describes the process where a heated mantle causes circular currents?
• What is half the distance from crest to trough?
• Which term describes the average kinetic energy of molecules in a substance?
• Under extreme conditions solids can change into vapor, like dry ice.
• What term describes speed in a direction; a change in velocity is a change in speed or direction?
• What are the prevailing winds that blow northeast from 30 degrees north latitude toward the equator and southeast from 30 degrees south latitude toward the equator?
• Which term means transfer of energy from a wave to matter as the wave passes through it?
• What is the strongly charged region of a magnet called?
• Group 17 of the periodic table is known as what?
• In an experiment, which term refers to the standard reference point used for comparison?
• What do you call a process in which matter becomes a substance with new properties?
• Which statement is the correct relationship for converting Kelvin to Celsius?
• Which term is defined as a proposed explanation that has been extensively tested and is based on many observations?
• What is the first column (excluding hydrogen) on the periodic table called?
• Which atmospheric layer contains the ozone layer and absorbs most ultraviolet radiation?
• As an object falls under gravity, gravitational potential energy decreases and which energy increases?
• Which of the following lists the atmosphere layers from lowest to highest?
• Which electrons are on the outermost energy level of an atom?
• Which of the following is an electromagnetic wave example?
• What is the term for the total distance something has traveled divided by the total time traveled?
• Which term refers to the rule that predicts the motion of objects under the force of gravity but doesn't explain why?
• Which statement is true about mechanical waves?
• What term describes the speed at a specific point in time?
• Which energy is stored due to compression or stretching of an object?
• Who proposed the first widely accepted atomic theory?
• Which term describes a solution with only a small amount of solute?
• Which electrons are located on the outermost energy level and participate in bonding?
• Which climate zone has little rain and a large daily temperature range, including arid desert regions?
• The substance produced as a result of a chemical reaction is called
• What is the time it takes for a wave to move from one point to another?
• Which form of energy is primarily associated with the random motion and vibration of particles, producing heat?
• Which term describes a material that allows electric current to flow easily?
• Which term describes the combined effect of all forces acting on an object?
• Stored energy is called
• Substances aren't equally mixed, like a salad.
• The energy of motion is called
• Changes in pressure and temperature alter matter.
• Which phenomenon occurs when a wave changes direction as it passes into a new medium?
• Which state of matter is described by particles moving fast around and may stick together, with speed influenced by viscosity?
• Which term describes the amount of solute in a solution?
• Which science category includes the study of rocks and planets?
• In which atmospheric layer does temperature generally increase with altitude due to the presence of ozone?
• What equation gives wave speed?
• The simplest molecular compound; two atoms in a compound.
• Which state involves particles moving freely and spreading apart?
• Molecules of each substance are equally mixed and you can't see each individual part; like sugar dissolved in water.
• Which scientist demonstrated the existence of neutrons in the nucleus?
• Which dating method uses the positions of rock layers to determine relative ages?
• Which term describes how something is perceived by sight, touch, smell, taste, or hearing?
• Which theory states that matter is made of small particles called atoms?
• Which term is used for the line that measures distance north or south of the Equator?
• Which cloud type is a low-level, billowy cloud often with a top that resembles cotton balls and a dark bottom?
• Which cloud type is described as a feathery cloud composed of ice crystals at the highest altitude?
• What is the term for when a wave bounces off a surface?
• What Fahrenheit temperature corresponds to 0 degrees Celsius?
• What term describes the amount of solute contained in a solution?
• What expression shows momentum?
• Which term best describes a material that does not allow electrons to move easily?
• Which state of matter has particles packed close together?
• Which climate zone is very cold and dry all year?
• What is the name of the effect that deflects moving air and water to the left in the southern hemisphere and to the right in the northern hemisphere due to Earth's rotation?
• Which boundary is associated with the creation of new ocean floor?
• Which statement about plate boundaries is true?
• Which description best defines the lithosphere?
• Which law explains an object at rest stays at rest unless a net external force acts?
• Which mixture is not evenly mixed, like a salad?
• What term best describes the substance that dissolves in another substance to form a solution?
• Mechanical energy is the sum of which two types of energy?
• Which climate zone has moderate weather near coastlines, such as the Mediterranean region?
• Made of different substances that aren't chemically bonded.
• Which major category includes groups 3 through 12?
• Which term describes the system of units used in science internationally?
• A measure of how difficult it is to change the inertia of an object
• Which group is the second column on the periodic table called?
• The substance in which the solute dissolves is the
• Which law states that acceleration equals net force divided by mass?
• Which atmospheric layer extends outward into space as the outermost region?
• In which atmospheric layer is the ozone layer located?
• In an experiment, which variable is observed to determine the effect of the independent variable?
• Which term is described as a rule that describes how natural phenomena behave?
• What term describes atoms arranged in a repeating pattern within a mineral?
• Something that cannot be broken down into simple parts; physical changes won't alter its composition.
• Which term means the solution has a lot of solute?
• Which form of potential energy is associated with height in a gravitational field?
• In a chemical reaction, the total mass before equals after; this is known as what?
• What is the amount of potential energy an electron in a circuit can gain?
• Which law predicts the velocity of objects before and after they collide, regardless of their mass?
• What is the term for the area around the sinking tectonic plate?
• The substance produced as a result of a reaction is called
• Which climate zone is described as high temperatures and large amount of rain year round?
• Which term means distance east or west of the prime meridian, measured in degrees?
• Which law describes the relationship V = I × R in a circuit?
• Which climate description describes mid-latitude interior regions with wide temperature variation and less precipitation?
• What term means the height of land above sea level?
• What are the two ends of a magnet known as?
• Which term is described as a law based on many observations; a rule that describes how something in nature behaves?
• Molecules move fast while spread apart.
• Homogeneous mixture; made of solute and solvent.
• Which statement defines Heat?
• Which field would study matter and energy, such as physics and chemistry?
• What term describes a substance that cannot be broken down into simple parts by chemical means?
• What is the freezing point of water in Kelvin?
• What is the separation of charges caused by an electric field?
• Unit for frequency; number of waves per second.
• Low point of a wave is called?
• Which principle states that in undisturbed sedimentary layers, the oldest rocks are at the bottom?
• Which expression represents acceleration?
• Which quantity describes both how fast and direction of motion?
• What is the Kelvin temperature corresponding to 0 Celsius?
• Atoms of the same element that have different numbers of neutrons are called what?
• What mechanism moves mantle rocks in circular patterns due to heating from Earth's core?
• Which term describes a solution that has only a small amount of solute?
• Which scientist proposed the nuclear model of the atom with a small, dense nucleus?
• Which field studies matter and energy, including physics and chemistry?
• The average mass of an element is called what?
• One point on a wave to the same point on the next wave is called?
• High point of a wave is called?
• Which term refers to a solid inorganic substance naturally formed in nature?
• Which cloud type is typically a low, flat layer that covers large areas of the sky?
• Rate at which velocity changes with time?
• Which atmospheric layer is the uppermost layer in which temperature increases with altitude?
• What term describes the wavelength and frequency range of electromagnetic waves?
• Which term describes a well-supported explanation of natural phenomena that has withstood extensive testing?
• Which climate zone has moderate temperatures and lies between the tropics and polar zones?
• To find neutrons of an element, which calculation is described?
• What term describes two or more atoms combined?
• Properties of Waves refer to which set of terms?
• Which term describes the energy transfer from a wave to a material as the wave passes through?
• What term describes a homogeneous mixture that is uniformly mixed?
• Which term refers to the substance changed in a chemical reaction?
• What boundary forms when tectonic plates move toward one another?
• Which term denotes the International System of Units used as the standard measurement system in science?
• Which term describes the equatorial region between the Tropic of Cancer and the Tropic of Capricorn, generally warm year-round?
• Which group contains noble gases?
• Which term describes a material that does not allow electrons to move easily?
• Which term is the variable influenced by the independent variable?
• Which is an example of electromagnetic waves?
• Which branch studies living organisms such as plants and animals?
• Which layer consists of the crust and the rigid outer mantle as a single shell?
• Which statement is the Law of Reflection?
• What statement best defines the Speed Formula as shown?
• The charge of an atom is called what?
• Newton's First Law states that an object in motion will remain in motion and an object at rest will remain at rest unless a net external force acts on the object.
• Momentum is calculated by multiplying mass by velocity. What is this quantity called?
• Which term describes climate zones with moderate temperatures between tropical and polar zones?
• Vapor can change into solid, like frost appears on grass.
• Which expression correctly converts Fahrenheit to Celsius?
• The number of protons an atom contains is called what?
• In an experiment, which variable is intentionally changed by the researcher?
• In a chemical reaction, the substance that is changed into products is called
• Which statement asserts that energy cannot be created or destroyed?
• Which geographic term refers to the line that measures distance east or west of the Greenwich meridian?
• Which option describes the total kinetic and potential energy in a substance?
• The average kinetic energy of molecules in a substance is called what?
• Which energy form is associated with the flow of electrons?
• One type of atom.
• What term describes how something looks, feels, smells, or tastes?
• What forms a solid from ions in a solution?
• Which climate zone lies between the tropical and polar zones and experiences cold winters and warm summers?
• The process where crystals form from magma cooling or from ions left in solution as water evaporates is called:
• The combo of all forces acting on an object
• Which climate zone is characterized by very little precipitation and extremely cold temperatures?
• Which temperature scale uses absolute zero as its zero point?
• Which cloud type is flat, low-lying, covers the sky like a blanket, and can produce rain or snow?
• The unit used to measure frequency is?
• If a component resists the flow of electric charge but is not a complete stop, what is it called?
• Which energy is stored in chemical bonds?
• Which energy is stored in the nucleus of radioactive atoms?
• Which scientist proposed a model of the atom with a positively charged nucleus and electrons orbiting in empty space?
• What device resists the flow of electrons but still lets them pass?
• When electrons from different atoms pair.