WGU C165 Unit 2: Scientific Inquiry

WGU C165 Unit 2: Scientific Inquiry 2023 Chemistry Ans -The study of the properties of matter and how matter changes Earth Science Ans -the study of earth and space Astronomy Ans -The study of the moon, stars, and other objects in space Science Ans -An organized way of gathering and analyzing evidence about the natural world. Precision Ans -the exactness of a measurement SI Ans -International System of Units Physical Sciences Ans - Life Sciences Ans - Controlled Experiment Ans -An experiment in which only one variable is manipulated at a time. independent variable Ans -The experimental factor that is manipulated; the variable whose effect is being studied. dependent variable Ans -The outcome factor; the variable that may change in response to manipulations of the independent variable. Control Ans -In an experiment, the standard that is used for comparison Observational Experiment or Study Ans - Field Study Ans -a research investigation carried out in a naturally occurring setting Laboratory Study Ans -a research investigation conducted in a controlled setting explicitly designed to hold events constant Models Ans -representations of objects or systems 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 -. Observation Ans -Information obtained through the senses. evidence Ans -Collected body of data from observations and experiments Data Ans -Facts, figures, and other evidence gathered through observations. Big Bang Theory Ans -The theory that the universe originated in a huge explosion that released all matter and energy. plate tectonics Ans -A theory stating that the earth's surface is broken into plates that move. atomic theory Ans -a theory that states that all matter is composed of tiny particles called atoms. Gram Ans - meter Ans - second Ans -SI base unit for time Celsius Ans -The temperature scale on which water freezes at 0 degrees and boils at 100 degrees Kelvin Ans -The SI base unit of temperature Liter Ans -Basic unit of volume in the metric system Metric Prefixes Ans -Giga, Mega, Kilo, deci, centi, milli, micro, nano Derived Units Ans -combinations of SI base unit