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_ is a system of knowledge and the methods to find that knowledge science _ is the use of knowledge to solve practical problems technology in some experiments, observations are _, or descriptive qualitative in some experiments, observations are _, or numerical quantitative science begins with _ and often ends with _ curiousity, discovery natural science is divided into three branches: _, _, _ physical science, earth and space science, life science _ is the study of the origin, history, and structure of Earth geology the foundation of space science is _ astronomy the two basic properties of all matter is that it has _ and _ volume, mass density formula mass/volume matter is made up of building blocks called _ atoms moving objects have a kind of energy called _ energy kinetic energy can be transferred from one form or object to another, but it can never be _ destroyed the goal of science is to _ knowledge expand the goal of technology is to _ knowledge apply an organized plan for gathering, organizing, and communicating information is called a _ scientific method an _ is information that you obtain through your senses observation facts are _ repeatable observations a _ is a proposed answer to a question hypothesis the _ , or _ variable causes a change in another variable manipulative, independent another name for the term dependent variable is the _ variable responding a _ experiment is an experiment in which only one variable, the _ variable is deliberately changed at a time controlled, manipulative a _ is a well-tested explanation for a set of observations or experimental results scientific theory a statement that summarizes a pattern found in nature without attempting to explain it is called a _ scientific law _s make it easier to understand things that might be too difficult to observe directly scientific model _ makes very large or very small numbers easier to work with scientific notation scientific notation is a way of expressing a value as the product of a number between _ and _ and the power of _ 1, 10, 10 scientists use a set of measuring units called _, a revised version of the _ system SI, metric unit for temperature in SI kelvin a ratio of equivalentt measurements that is used to convert a quantity expressed in one unit to another unit is called a _ conversion factor _ is a gauge of how exact a measurement is precision all the digits that are known in a measurement, plus the l art digit that is estimated are referred to as _s significant figures for showing changes that occur in related variables, a _ graph is useful line the _ of the line is the ratio of a vertical change to the corresponding _ change slope, horizontal a relationship in which the ratio of two variables is constant is called a _ direct proportion a relationship in which the product of two variables is constant is called _ inverse relationship a _ graph is often used to compare a set of measurements, amounts, or changes bar a _ graph shows how a part of share of something relates to the whole circle 3x6=18 and 1x18=18 is an example of _ inverse relationship