PRAXIS 5005 Science ETS Practice Test Latest 2025 Questions Solved 100%

PRAXIS 5005 Science ETS Practice Test Latest 2025 Questions Solved 100% The process by which a gas becomes a liquid is called A.condensation B.freezing C.melting D.reduction - Answers A.condensation Condensation is the process by which a gas becomes a liquid. Which of the following human organs is responsible for the formation of sperm cells? A.Pancreas B.Thyroid C.Ovary D.Testis - Answers D.Testis In human males, the testis is the organ in which the formation of sperm cells occurs. Which of the following best describes the approximate length of time it takes Earth to rotate once about its axis? A.One hour B.One day C.One month D.One year - Answers B.One day On average, it takes 24 hours, or one day, for Earth to rotate once about its axis. The rotation of Earth about its axis leads to the cycle of day and night. Which THREE of the following are generally acceptable rules for laboratory activities? A.Students should wash their hands after mixing chemicals in the laboratory. B.Students should inform the teacher immediately of any accidents or spills in the laboratory. C.Students should use cracked glassware only when the teacher is in the laboratory. D.Students should read instructions thoroughly before performing laboratory procedures. - Answers A.Students should wash their hands after mixing chemicals in the laboratory. B.Students should inform the teacher immediately of any accidents or spills in the laboratory. D.Students should read instructions thoroughly before performing laboratory procedures To prevent accidental ingestion or absorption of potentially harmful substances, students should wash their hands after working with chemicals. To help maintain a safe environment, accidents and spills in the laboratory should be reported to the teacher immediately so that a correct response can be implemented. To safely and effectively complete laboratory procedures, students should read instructions thoroughly before starting the procedures. Cracked glassware is a safety hazard and should never be used. Which of the following processes most directly involves the movement of water from the atmosphere to Earth's surface? A.Infiltration B.Precipitation C.Transpiration D.Sublimation - Answers B.Precipitation Precipitation is the process by which atmospheric water falls to Earth's surface in the form of rain, hail, sleet, or snow. Because atmospheric water returns to Earth's surface primarily through the process of precipitation, it is an important part of the water cycle. Infiltration is the process by which water on Earth's surface enters the subsurface soil and rock. Transpiration is the process by which water evaporates from plant leaves and enters the atmosphere. Sublimation is the process by which a substance transitions directly from the solid phase to the gas phase without going through the liquid phase. Which of the following is an important function of the digestive system? A.Absorbing nutrients into the body B.Transporting signals to and from different parts of the body C.Providing structural support for the body D.Protecting the body from ultraviolet radiation - Answers A.Absorbing nutrients into the body The digestive system includes organs that break down food into small molecules, which are then absorbed into the body. The primary location of absorption is the small intestine. As a rock begins tumbling down a hillside, most of its gravitational potential energy is converted into A.kinetic energy B.thermal energy C.chemical energy D.nuclear energy - Answers A.kinetic energy Kinetic energy is the energy of motion. As the rock begins moving down the hillside under the influence of gravity, most of the rock's gravitational potential energy is converted into kinetic energy. Which of the following is the best example of an interaction between different biotic factors in an ecosystem? A.A caterpillar undergoing metamorphosis B.A plant absorbing sunlight C.A grazing animal eating plants D.An icicle melting on a warm day - Answers C.A grazing animal eating plants A grazing animal eating plants is an example of an interaction between two different biotic factors (an animal and the plants it eats) in an ecosystem. The metamorphosis of a caterpillar into a butterfly is an example of a type of insect life cycle. A plant absorbing sunlight is an example of an interaction between a biotic factor (a plant) and an abiotic factor (sunlight). An icicle melting on a warm day is an example of an interaction between two abiotic factors (water and temperature). A neutral atom becomes a positive ion when it loses one or more A.electrons B.neutrons C.protons D.nuclei - Answers A.electrons Protons are positively charged, and electrons are negatively charged. A neutral atom has the same number of protons and electrons. A neutral atom becomes a positive ion when it loses one or more electrons, resulting in the ion having more positive charges than negative charges. Which of the following best describes a galaxy? A.A small celestial body composed of ice B.A giant planet orbited by ten or more moons C.A collection of planets revolving around a star D.A large cluster of stars, dust, and gas - Answers D.A large cluster of stars, dust, and gas A galaxy is a system composed of many stars, dust, and gas, which is held together by gravitational attraction. An object is moving in a straight line at a constant speed. What will happen if a constant force is then applied to the object in the same direction in which the object is moving? A.The object will stop moving. B.The object will continue moving in the same direction but will slow down. C.The object will continue moving in the same direction but will speed up. D.The object will move in the opposite direction but at the same speed as before. - Answers C.The object will continue moving in the same direction but will speed up. When a constant force is applied to the object in the same direction in which the object is moving, the object will accelerate in that direction. Which of the following molecules is a product of cellular respiration and is used for energy transfer in cells? A.ATP B.Carbon dioxide C.Oxygen D.Water - Answers A.ATP ATP is a small molecule that stores and transports chemical energy in cells. Cellular respiration is a multistep process in cells that uses chemical energy stored in glucose and other organic molecules to produce ATP. Researchers found fossils of marine organisms in rock layers that are located high above sea level. Which of the following conclusions is best supported by the researchers' observations? A.The fossils were transported to the research site by wind currents. B.The rock layer in which the fossils were found is igneous rock. C.The organisms from which the fossils were formed lived less than a hundred years ago. D.The area containing the rock layers was previously submerged under water. - Answers D.The area containing the rock layers was previously submerged under water. Marine fossils are the preserved remains or traces of organisms that lived in shallow seas or other marine environments. The fossils were formed after the marine organisms died and became buried in sediment on the seafloor. The sediment containing the fossils hardened into rock over many millions of years and became exposed above sea level as a result of geological processes, such as the uplifting of land due to plate tectonic activity. During a total solar eclipse, the Moon is in which of the following phases? A.New Moon B.First quarter Moon C.Full Moon D.Third quarter Moon - Answers A.New Moon A total solar eclipse occurs when the Moon is between Earth and the Sun. The new Moon phase of the lunar cycle is when 0% of the sunlit portion of the Moon is visible from Earth, which also occurs when the Moon is between Earth and the Sun. Which of the following is a primary function of plant roots? A.Transporting seeds away from a plant B.Anchoring the plant body to the ground C.Transferring pollen between flowers D.Absorbing sunlight for photosynthesis - Answers B.Anchoring the plant body to the ground Anchoring the plant to the ground is an important function of plant roots. Other important functions of plant roots include absorbing water, storing nutrients, and forming new plants via vegetative reproduction. Which of the following best describes the type of chemical reaction that occurs when the acid HCl is mixed with the base NaOH in a solution?