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15 Cards in this Set
- Front
- Back
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standard measure
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an accepted measurement
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microscope
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a tool that makes an object look several times bigger than it is
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pan balance
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measures mass (the amount of matter in an object)
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spring scale
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a tool that measures forces, such as weight
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thermometer
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a tool that measures the temperature of the air or liquid
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observation
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information from your senses
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inference
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an untested conclusion based on observations
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hypothesis
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a statement of what you think will happen and why...an educated guess
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experiment
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a test of the hypothesis
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scientific method
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a way scientists find how things work and affect each other
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compare
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describing the way things are the same or different
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classify
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sorting based on observations
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estimate
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a number that is close but not exact
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variables
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things that can change in an experiment
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predict
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using your knowledge to guess what will happen next
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