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70 Cards in this Set
- Front
- Back
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Science
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Way of learning about the natural world by gathering information
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Observing
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Using one or more senses to gather information
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Qualitative observations
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Description that don't involve numbers or measurements.
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Quantitative observations
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Measurements
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Quantitative observations
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Measurements
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Inferring
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Making an inference. Inferences are based on reasoning from what you already know.
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Quantitative observations
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Measurements
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Inferring
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Making an inference. Inferences are based on reasoning from what you already know.
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Predicting
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Making a forecast of what will happen In the future based on past experience or evidence.
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Chemistry
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The study of the properties of matter and how matter changes.
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Physics
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The study of matter and energy and how they interact.
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Physics
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The study of matter and energy and how they interact.
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Scientific inquiry
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Refers to the different ways scientists study the natural world.
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Hypothesis
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A possible answer to a scientific question or explanation for a set of observations.
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Hypothesis
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A possible answer to a scientific question or explanation for a set of observations.
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Variables
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Factors that can change in an experiment.
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Hypothesis
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A possible answer to a scientific question or explanation for a set of observations.
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Variables
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Factors that can change in an experiment.
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Manipulated variable
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The variable that is changed.
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Responding variable
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The variable that is expected to change because of the manipulated variable.
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Controlled experiment
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An investigation in which all variables except one remain the same.
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Data
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The facts, figures, and other evidence gathered through observations.
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Communication
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Sharing ideas and conclusions with others through writing and speaking.
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Scientific law
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A statement that describes what scientists expect to happen every time under a particular set of conditions.
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Scientific theory
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A well tested explanation for a wide range of observations or experimental results.
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Technology
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A way of changing the natural world to meet human needs or solve problems.
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Engineer
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Someone who is trained to use both technological and scientific knowledge to solve practical problems.
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Engineer
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Someone who is trained to use both technological and scientific knowledge to solve practical problems.
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Brainstorming
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A process in which group members really suggest any creative solutions that come to mind.
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Constraint
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Any factor that limits or restricts a design.
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Prototype
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A working model used to test a design.
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Prototype
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A working model used to test a design.
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Troubleshooting
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The process of analyzing a design problem and finding a way to fix it.
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Prototype
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A working model used to test a design.
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Troubleshooting
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The process of analyzing a design problem and finding a way to fix it.
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Systems
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All are made up of parts that work together.
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Matter
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Anything that has mass and takes up space.
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Chemistry
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The study of the properties of matter and how matter changes.
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Substance
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A single kind of matter that is pure, meaning it always has a specific make up or composition and a specific set of properties.
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Physical property
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A characteristic of a pure substance that can be observed without changing it into another substance.
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Chemical property
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A characteristic of a pure substance that describes its ability to change into different substances.
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Elemeny
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A pure substance that cannot be broken down into any other substances by chemical or physical means.
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Atom
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The basic particle from which all elements are made.
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Chemical bond
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A force of attraction between two atoms.
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Molecules
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Groups of two or more atoms held together by chemical bonds.
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Compound
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A pure substance made of two or more elements chemically combined in a set ratio.
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Compound
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A pure substance made of two or more elements chemically combined in a set ratio.
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Chemical formula
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Shows the elements in the compound and the ratio of atoms.
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Compound
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A pure substance made of two or more elements chemically combined in a set ratio.
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Chemical formula
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Shows the elements in the compound and the ratio of atoms.
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Mixture
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Made of two or more substances-elements, compounds, or both-that are together in the same place but are not chemically combined.
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Compound
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A pure substance made of two or more elements chemically combined in a set ratio.
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Chemical formula
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Shows the elements in the compound and the ratio of atoms.
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Mixture
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Made of two or more substances-elements, compounds, or both-that are together in the same place but are not chemically combined.
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Heterogeneous mixture
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In this mixture, you can see the different parts.
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Compound
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A pure substance made of two or more elements chemically combined in a set ratio.
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Chemical formula
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Shows the elements in the compound and the ratio of atoms.
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Mixture
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Made of two or more substances-elements, compounds, or both-that are together in the same place but are not chemically combined.
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Heterogeneous mixture
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In this mixture, you can see the different parts.
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Homogeneous mixture
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Mixture that is so evenly mixed that you can't see the different parts.
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Solution
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Does not have to be a liquid and is a homogeneous mixture.
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Solution
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Does not have to be a liquid and is a homogeneous mixture.
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Weight
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A measure of the force of gravity on you.
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Mass
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The measurement of the amount of matter in an object.
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International System of Units
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A system that scientists use to measure properties of matter. Abbreviated "SI".
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International System of Units
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A system that scientists use to measure properties of matter. Abbreviated "SI".
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Volume
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The amount of space that matter occupies.
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International System of Units
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A system that scientists use to measure properties of matter. Abbreviated "SI".
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Volume
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The amount of space that matter occupies.
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Density
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Relates the mass of a material in a given volume.
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