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16 Cards in this Set
- Front
- Back
Hypothesis
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Statement of what you think will happen during an investigation.
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Observation
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Something you find out about objects, events or living things using your senses.
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Experiment
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The use of scientific methods to test a hypothesis.
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Variable
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Something that can change in a test.
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Procedure
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Step by step instructions for completing a task.
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Precision
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The ability to constantly repeat a measurement.
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Accuracy
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The ability to make a measurement that is as close to the actual value as possible.
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Data
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Information from which a conclusion can be drawn or a prediction can be made.
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Inference
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A conclusion based on observations.
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Evidence
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A set of observations that make you believe something is true.
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What do scientists do?
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Scientists define a problem and try to find answers, scientists make hypotheses is and observations, and scientists draw conclusions based on their observations.
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How do scientists investigate?
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Scientists use many different types of scientific investigations, scientists use models, surveys, and sampling to gather data, scientific methods are organized steps for doing an investigation.
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How do scientists collect and interpret data?
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Scientists collect data with tools, scientists organize data into tables and graphs, scientists also draw conclusions from the data they collect.
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How do scientists support their conclusions?
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Scientists use facts, not opinions, when drawing conclusions, scientist keep detailed and accurate records in order to share their findings with others.
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Why should scientist base their investigations on observations and data instead of opinions?
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Scientists need facts and evidence! Different people have different opinions. Opinions are just what people think is true.Also opinions change
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For a conclusion to be valid, what must it be based on?
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For it to be valid it must be based on hypothesis is, observations, data, facts from research, and evidence from experiments and tests.What past scientists have done(facts from research). What you have done in your tests (observations, data, and evidence).
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