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| Using one or more of your senses to gather information. |
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| An observation that deals with numbers or an amount. |
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| An observation that deals with a description, cannot be expressed by numbers. |
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| To explain or interpret what is observed. |
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| Making a forecast of what will happen in the future based on past experience or evidence. |
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| The process of grouping together items that are alike in some way. |
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| Refers to the diverse ways in which scientists study the natural world and propose explanations based on the evidence they gather. |
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| A possible explanation for a set of observations or answer to a scientific question. A hypothesis must be testable. |
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| Factors that can change in an experiment. |
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| Independent (Manipulated) Variable |
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| The one variable that is purposely changed to test a hypothesis. |
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| Dependent (Responding) Variable |
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| The factor that may change in response to the manipulated (independent) variable. |
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| An experiment in which only one variable is manipulated at a time. |
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| The part of an experiment that serves as a standard to which variables are compared (Example: In the jelly side down lab, it was the piece of bread without jelly). |
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| The set of data to which changes are made to test the hypothesis. (Example: In the Jelly Side Down Lab this was the piece of bread with jelly on it). |
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| A statement that describes how to measure a particular variable or define a particular term. |
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| The sharing of ideas and experimental findings with others through writing and speaking. |
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| A well-tested explanation for a wide range of observations or experimental results. Example: The theory of evolution. Theory's can be thrown out once new findings contradict this theory. |
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| A statement that describes what scientists expect to happen every time under a particular set of circumstances. Example: The law of Gravity |
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| Being able to identify good sources of scientific information, evaluate them for accuracy, and apply the knowledge to questions or problems in life. |
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| The system of measurement based on the number 10. |
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| The measure of the amount of matter in an object. |
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| The measure of the force of gravity acting on an object. |
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| The amount of space an object takes up. |
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| The curve in the surface of a liquid. You use the bottom of a meniscus to measure the volume of the liquid. |
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| The measure of how much mass is contained in a given volume. |
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| The average of a set of data. Calculated by adding up all the numbers and then dividing by the total number of items on the list. |
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| The middle number in a set of data. The data must be in numerical order. If there are two middle numbers you must find the middle by averaging those two numbers. |
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| The number that occurs the most in a set of data. |
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| The most common graph used in science. It is used to display data by showing how one variable (the dependent variable) changes in response to another variable (the independent variable). |
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| The place where the x and y axis meet. (0,0) |
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| A pair of numbers used to determine the position of a point on a graph. |
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| A smooth line that reflects the general pattern of a graph. |
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| A line graph in which the data points yield a straight line. |
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| The steepness of a graph line. Tells you how much y changes for every change in x. |
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| A line graph in which the data points do not fall along a straight line. |
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| When there are no identifiable trends in a graph, it most likely means that there is no relationship between the two variables. |
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| Subjective, allowing personal opinions and preferences dictate your decision. |
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| Objective. Using only the facts to make your decision. |
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