WGU C165 Unit 2: Scientific Inquiry rated A+ already passed!

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