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19 Cards in this Set
- Front
- Back
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steps of scientific method (6)
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1. ask a question
2. form a hypothesis 3. test the hypothesis 4. analyze the results 5. draw conclusions 6. communicate results |
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difference between gram, meter, and liter
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gram: mass
meter: length liter: volume |
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difference between independent and dependent variables
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independent: factor in experiment that is deliberately changed
dependent: factor in experiment that changes as a result of manipulation and is measured |
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professions in science (5)
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meteorologist: atmosphere & weather forecaster
geochemist: chemistry of rocks, minerals, and soil ecologist: community of living things & nonliving environment volcanologist: volcanoes science illustrator: draw scientific diagrams |
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class rules (3)
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behave appropriately
be prepared complete your work |
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normal body temperature (˚C & ˚F)
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37˚C
98.6˚F |
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safety symbols (9)
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eye, clothing, hand, heating, electrical, chemical, animal, sharp object, plant
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common cause of accidents in lab
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failure to follow directions
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3 safety equipment used in labs
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goggles, aprons, gloves
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science
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knowledge gained by observing to make laws that can be tested
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trend
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data pattern that shows relationship between 2 variables in experiment
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range
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each axis has own range: subtract smallest from largest value of same variable
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x and y axis
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reference lines that mark the border of a graph
usually x: independent variable y: dependent variable |
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density
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ratio of mass to volume of substance D=m/V
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volume
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measure of size of an object in 3D space
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mass
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measure of amount of matter in an object
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theory
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system of ideas: explains related observations & supported by lots of evidence from scientific investigation
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law
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statement or equation that predicts events under certain conditions
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SI
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International System of Units (metric system for measurement)
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