WGU-C165: Integrated Physical Science | 253 Questions and Answers with complete solution | 2023 latest

Chemistry: - The study of atoms and molecules, their structures, and their interactions to form various substances. Physics: - The study of forces, energy and motion. Earth Science: - This field focuses on Earth's structure and composition, as well as the processes that change Earth, such as volcanic and seismic activity. Physical Science: - The scientific study of nonliving matter. Ex: chemistry, physics, and Earth science. Astronomy: - The study of the moon, stars, and other objects in space. Controlled Experiment: - An experiment in which only one variable is manipulated at a time.. Independent Variable: - The variable that is manipulated in an experiment. Dependent Variable: - The outcome factor; the variable that may change in response to manipulations of the independent variable. Control Variable: - A variable that is kept constant during a controlled experiment. Observational Study: - The systems are observed as they appear in nature and researchers do not attempt to change them. Laboratory Experiment: - Researchers study the system of interest in a highly controlled artificial setting (lab).Physical Model: - A physical representation of an object. Ex: Scaled down version of the solar system. Conceptual Model: - A verbal or graphical explanation for how a system works or is organized. Ex: posters, charts. Mathematical Model: - Uses different forms of data to represent the way a system or process works. Ex: formulas, graphs, mathematical means. Ex: F=ma (formula). Computer Model: - A computer program that models an event or object. Important in explaining and predicting natural phenomena. Ex: weather patterns, solar system. Principle of Falsification: - Principle that only falsifiable statements can be subject to scientific inquiry. Hypothesis: - A testable prediction, often implied by a theory. Theory: - A hypothesis that has been tested with a significant amount of data. Law: - A concise statement that is supported by scientific evidence and repeated experiments. Describes a widespread pattern in nature. Intended to be universal. Scientific Investigation: - Scientists test their ideas with a variety of different types of investigations. Ex: laboratories, controlled experiments, astronomy, field studies, models.