# Science Skills

### Description

Flashcards by Deleted user, updated more than 1 year ago More Less
 Created by a deleted user over 8 years ago Copied by msldn over 8 years ago Copied by Paris Tansley about 7 years ago Copied by Carmen Osburn almost 7 years ago
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## Resource summary

 Question Answer Science A system of knowledge and the methods you use to find that knowledge. Technology A use of knowledge to solve practical problems. Three Branches of Science physical science, Earth and Space Science, and life science Chemistry The study of composition,structure, properties, and reactions of matter. Physics The study of matter and energy and the interactions between the two through forces and motion. Geology The study of the origin, history, and the structure of the Earth. Astronomy The study of the universe beyond Earth, including the Sun, moon, planets, and stars. Biology Life science; the study of origin and the behavior of living things. Scientific Method An organized plan for gathering, organizing, and communicating information Observation Information that you can obtain through your five senses (sight, taste, hear, touch, smell) Hypothesis A proposed answer to a question (an educated guess) Manipulated Variable (Independent Variable) The variable that causes a change in another Responding Variable (Dependent Variable) The variable that only changes in response to the manipulated variable. (Things that are measured in units.) Scientific Theory Well-tested explanation for a set of observations or experimental results. Scientific Law A statement that summarizes a pattern found in nature Model Representation,of an object or event. Scientific Notation A way of expressing a value as the product of a number between 1 and 10 and a power of 10 (Example:3.0 X 10^-4) Length Straight-line distance between two points is the the meter (m) SI International System of Units; metric system Mass The quantity of matter in a object or sample, is in kilogram (kg) Volume The amount of space taken up in an object Density The ratio of an object's mass to its volume Precision A gauge of how exact a measurement is Accuracy Is the closeness of a measurement to the actual value of what is being measured Thermometer An instrument that measures temperature; how hot an object is Slope The steepness of a line, a ratio of a vertical change to the corresponding horizontal change. (Rise over Run) Direct Proportion A relationship in which a ratio of two variables is constant. Inverse Proportion A relationship in which the product of the two variables is constant.

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