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12 Cards in this Set
- Front
- Back
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scientists use experiments to test _____ or possible explanations for observations.
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hypotheses
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amount of space something occupies
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volume
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magnifies a living specimen
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compound light microscope
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related hypotheses that are supported by evidence may become accepted as a ____
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theory
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the use of knowledge, tools, and materials to solve problems
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technology
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Where could you find a life scientist at work?
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studying how wasps could be used to control fire ant populations
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When researchers use the scientific method, they _____
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switch and repeat steps
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A scientist who wants to study side effects of a new medicine would _______
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include a control group that received no medicine
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What tool gives a detailed image of the nerves that branch off to a person's spinal cord?
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an MRI
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the International System of Units is good because _______
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it gives scientists a common way to share their results
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hypotheses that can't be tested are considered _____
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not useful
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there are ____ grams in a kilogram.
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10,000
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