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A process to solve a problem, ask a question, research the problem, form a hypothesis, test the hypothesis, collect and analyze data, draw a conclusion and finally publish the results. |
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An expectation based on research |
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Explain what happens during an experiment based on the data collected. |
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The factor whose value changes because of a change in the independent variable. (How the size of the soap bubbles changed because of what you added to the control –Mrs. Unger’s soap bubble solution.) |
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The gathering of new information or the discovery and adds to the body of scientific knowledge. |
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A rule of nature that sums up related observations and experimental results to describe a pattern in nature. |
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After analyzing the data of an experiment decide if the hypothesis can be accepted or rejected. |
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A metric measurement used for measuring length. 100 cm = 1 meter. A meter is similar to a yard in length. |
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Information collected during an experiment. May be quantitative – backed up with numbers. |
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The things that do not change in an experiment. (The bubble blower, to table, the amount of water on the table…) |
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To draw a conclusion based on information given. To infer is to assume. |
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The study of matter and energy. |
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You do this to test a hypothesis. |
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Create/preform an experiment |
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The factor adjusted to a different value by the experimenter to see what effect is will have on the dependent variable. (The soap, sugar or other substances you brought in for the bubble lab.) |
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An explanation based on many observations supported by many experiments. |
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A standard for comparison in an experiment. This must not be changed. |
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One hundredth of a meter. A millimeter is a very small length similar to 1/32 of an inch. |
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Frictional force in air - as speed increases so does air resistanc. Also called fluid friction. |
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A rate of motion determined by dividing the total distance traveled by the total time. |
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Forces that are equal in size and opposited in direction. If the forces are balanced there will be no change in motion. |
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A metric measurement used for measuring liquid volume. Similar to a quart. |
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Negative acceleration - slowing down. |
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The force that opposes motion between two surfaces that are touching. Rolling, sliding, fluid and static friction. |
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Water freezes at zero and boils at 100 degrees on this scale. |
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A graph used to show how something has changed over time. (The dots are connected!) |
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A force that pulls. Depends on mass of two objects and distance from each other. |
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Speed + direction. V = d/s unit are in m/s. |
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The curved surface of a liquid. Should be level when trying to measure volume in a graduated cylinder. |
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A container that is wide at the bottom and narrow at the top. A cork can be used to seal it. |
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A container used to hold liquid – but not truly measure them accurately. |
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A tall slender contain that is used to measure liquids accurately. |
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The amount of matter in an object and it is measured in grams. |
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A graph used to show relationships between many different pieces of data that may have a positive, negative relationship or may not be related at all. |
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The rate of motion, or rate at which a body changes position. |
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A simple way to “dilute” strong fumes. (Wave you hand across a chemical to enable only a small amount of the odor to be smelled) |
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The rate of change in velocity. Final velocity – initial velocity divided by the time it takes to change velocity. |
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The amount of mater in a given space. D = mass/volume. |
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These are needed anytime you use glassware, heat a substance or use chemicals. |
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These are used when chemicals may splash on your clothes. Some also protect you against flames and corrosive chemicals. |
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An way to write very large or small numbers. Example: 0.00000345 = 3.45 x 10^ -6 and 12,000,0000 = 1.2 x 10^7 |
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