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24 Cards in this Set
- Front
- Back
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Science
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a process that uses logic, observations and prior knowledge to answer questions. Does not have to be a lab
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Scientific Method
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a process of doing science
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Observation
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detecting your surroundings with your senses
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Purpose
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a question asked about and observation you made
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Hypothesis
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a testable answer to your question using logic and prior knowledge stated in the "if...then..." form
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Experiment
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testing your hypothesis by collecting data and recording it on a graph
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Theory
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used to explain observations and facts backed by large amounts of evidence
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Analysis and Conclusion
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an evaluation of the data from an experiment
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Repeat
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repeating an experiment is important to verify the data
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Quantitative Observations
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involve measurements like temperature, weight, size, or distance
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Qualitative Observations
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involves using descriptive words like color, appearance, smell and texture
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Direct Observations
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an observation made from something you see
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Indirect Observations
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an observation you made using your senses other than sight. (hearing, touch, taste, smell)
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Inferences
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a reasonable assumption based on observations and prior knowledge
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Variables
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2 conditions that change during an experiment
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Independent Variable
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a variable that can be controlled and changed
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Dependent Variable
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a variable that changes resulting of the independent variable
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Controlled Experiment
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an experiment that tests the effects of one experiment at a time
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Control Group
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a group where the subjects conditions are set to normal and the independent variable is not changed
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Experimental Group
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a group where the independent variable is changed and results are compared to the Control Group
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Metric System
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base 10 measurement system used universally by scientists
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Meter
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metric system base unit for measuring length
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Liter
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metric system base unit for measuring volume
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Gram
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metric system base unit for measuring mass
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