WGU-C165: Integrated Physical Science Questions And 100% Correct Answers

WGU-C165: Integrated Physical Science Questions And 100% Correct Answers Chemistry: - ANS The study of atoms and molecules, their structures, and their interactions to form various substances. Physics: - ANS The study of forces, energy and motion. Earth Science: - ANS 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: - ANS The scientific study of nonliving matter. Ex: chemistry, physics, and Earth science. Astronomy: - ANS The study of the moon, stars, and other objects in space. Controlled Experiment: - ANS An experiment in which only one variable is manipulated at a time.. Independent Variable: - ANS The variable that is manipulated in an experiment. Dependent Variable: - ANS The outcome factor; the variable that may change in response to manipulations of the independent variable. Control Variable: - ANS A variable that is kept constant during a controlled experiment. Observational Study: - ANS The systems are observed as they appear in nature and researchers do not attempt to change them. Laboratory Experiment: - ANS Researchers study the system of interest in a highly controlled artificial setting (lab). Physical Model: - ANS A physical representation of an object. Ex: Scaled down version of the solar system. Conceptual Model: - ANS A verbal or graphical explanation for how a system works or is organized. Ex: posters, charts. Mathematical Model: - ANS 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: - ANS A computer program that models an event or object. Important in explaining and predicting natural phenomena. Ex: weather patterns, solar system. Principle of Falsification: - ANS Principle that only falsifiable statements can be subject to scientific inquiry. Hypothesis: - ANS A testable prediction, often implied by a theory. Theory: - ANS A hypothesis that has been tested with a significant amount of data. Law: - ANS A concise statement that is supported by scientific evidence and repeated experiments. Describes a widespread pattern in nature. Intended to be universal. Scientific Investigation: - ANS Scientists test their ideas with a variety of different types of investigations. Ex: laboratories, controlled experiments, astronomy, field studies, models. SI System: - ANS International System of units based on the metric system and units derived from the metric system. Base Quantities: - ANS Seven designated physical quantities (sets) from which all other SI quantities can be derived. (1) Meter (m)-length (2) Kilogram (k)-mass (3) Second (s)-time (4) Kelvin (K)-temperature (5) Amperes (A)-"amp"-electric current (6) Candela (cd)-light intensity (7) Moles (mol)-amount of substance Time: - ANS Base quantity that measures how long an event lasts or the break between events. Length: - ANS Used to describe the distance between two objects, or the two ends of an object. Mass: - ANS Used to describe the amount of matter in an object. Temperature: - ANS A measure of how hot or cold something is. Gram: - ANS a metric unit of mass eq