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Science Final

science a way of learning about the natural world by gathering info
observing using 1 or more of your senses to gather info
qualitative observations observations that deal with descriptions that cannot be expressed in numbers
quantitative observations observations that deal with a number or amount
inferring explaining or interpreting things you observe based on reasoning from what you already know
predicting making a forecast of what will happen in the future based on experience or evidence
chemistry the study of the properties of matter and how matter changes
physics the study of matter and energy and how they interact
scientific inquiry refers to the different ways scientists study the natural world
hypothesis a possible answer to a scientific question or explanation for a set of observations
variables factors that can change in an experiment
manipulated variable the variable that is changed
responding variable the variable that is expected to change because of the manipulated variable
controlled experiment an investigation in which all variable except 1 remain the same
data the facts, figures, and other evidence gathered through observations
communicating sharing ideas and conclusions with others through writing and speaking
scientific law a statement that describes what scientists expect to happen every time under a particular set of conditions
scientific theory a well-tested explanation for a wide range of observations or experimental results
matter anything that has mass and takes up space
substance a single kind of matter that is pure
physical property a characteristic of a pure substance that can be observed without changing it into another substance
chemical property a characteristic of a pure substance that describes its ability to change into different substances
element a pure substance that cannot be broken that cannot be broken down into any other substances by chemical or physical means
atom the basic particle of an element
chemical bond the force of attraction between 2 atoms
molecules a particle formed when 2 or more atoms combine
compound a pure substance made of 2 or more elements chemically combined in a set ratio
weight a measure of the force of gravity on an object
mass the measurement of the amount of matter in the object
International System of Units (SI Units) the system used by scientists to measure the properties of matter
volume the amount of space matter occupies
density relates the mass of a material in a given volume
Created by: Rootbeer427