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# Vocb.1.1&1.2

### Phiscial Science

TermDefinition
Direct Proportion a relationship in which you have a 3 cubic centimeter sample of water that has a mass of 3 grams
Science Notation a way of expressing a value as the product of a number between 1-10 and a power of 10
Length the straight-distance between two points
Mass the quantity of matter in a object or sample
Volume the amount of space taken up by an object
Density the ratio of an object's mass to it's volume
Conversion Factor a ratio of equivalent measurement that is used to convert a quanitity expressed in one unit to another unit
Presion a gauge of how exact a measurement is
Significant Figures all the digits that are known in a measurements plus the last digit that is estimated
Accuracy the closeness of a measurement to the actual value of what is being measured
Thermometer an instrument that measures temperature or how hot an object is
Slope line is the ratio of a vertical change to the corresponding horizontal change
Inverse Proportion a relationship which to variables are consent
Science is a system of knowledge and methods you use to find that knowledge
Technology is the use of knowledge to solve practical problems
Chemistry chemistry is the study of the compostion , structure , property , and reactions of matter
Physics Physics is the study of matter and energy an the intersections between the two though forces and motions
Geology the study of the origin, history, and structure of Earth
Astronomy the study of the universe beyond earth including the sun, moon, planets, and stars
Scientific Method an organized plan for gathering organizing and communicating information
Observation information that you obtain through your senses
Hypothesis a proposed answer to a question
Manipulated Variable the variable that causes a change in another
Responding Variable the variable that changes in response to the manipulated
Controlled Experiment an experiment in which only one variable the manipulated is deliberately
Scientific Theory A well-tested explanation for a set of observation or experimental result
Scientific Law A statement that summarizes a pattern found in nature
Model Representation of an object or event.
Created by: miriamelizalde