scientific method vocabulary. investigation the process of gathering information in order to answer...
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SCIENTIFIC METHOD VOCABULARY
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Investigation•The process of gathering information in order to answer a question or solve a problem.
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Ethics: Principles that guide our decisions about what is good and fair
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Bias:•A personal point of view that is based on belief instead of scientific facts.
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Materials: •A list of items needed to conduct an experiment.
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Procedure: •A step-by-step set of detailed directions for testing the hypothesis.
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Variables: •All the factors that can change in an experiment, possibly affecting the results.
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Is a classroom noisier when the teacher leaves the room?•Possible Variables?
• Teacher location – either in the room or not
• Same classroom• Same students• Same time of day• Same decibel meter measuring loudness in decibels
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Independent Variable: •The ONE factor that is changed in an experiment by the scientist.
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Is a classroom noisier when the teacher leaves the room?•Possible Variables?
• Teacher location – either in the room or not
• Same classroom• Same students• Same time of day• Same decibel meter measuring loudness in decibels
![Page 11: SCIENTIFIC METHOD VOCABULARY. Investigation The process of gathering information in order to answer a question or solve a problem](https://reader035.vdocuments.site/reader035/viewer/2022070413/5697bf9a1a28abf838c9268a/html5/thumbnails/11.jpg)
Dependent Variable: •The factor that may be affected as a result of changing the independent variable. This is measured and recorded as data.
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Is a classroom noisier when the teacher leaves the room?•Possible Variables?
• Teacher location – either in the room or not
• Same classroom• Same students• Same time of day• Same decibel meter measuring loudness in decibels
![Page 13: SCIENTIFIC METHOD VOCABULARY. Investigation The process of gathering information in order to answer a question or solve a problem](https://reader035.vdocuments.site/reader035/viewer/2022070413/5697bf9a1a28abf838c9268a/html5/thumbnails/13.jpg)
Assumption: •Is an explanation that is accepted without proof.
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Inference:•A conclusion based on observed evidence.
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Inferences Examples• Observation: An apple has a missing chunk.• Inference: Someone took a bite of the apple.
• Observation: There are shoe-shaped footprints in the mud.
• Inference: A person has been here.
• Observation: There are pieces of eggshell in a nest.
• Inference: A bird hatched from the egg.
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Consumer:•Someone who uses a product or piece of knowledge.
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Validity: •Describes how well a test measures the traits it was intended to measure.
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Data Table: •A display of information from an investigation.
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Line Graph: •Used to show how
data changes over time. •The data is connected
by a rising or falling line.
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Bar Graph: •Uses bars to compare results that are totals, such as time, width, distance, temperature, height and length.
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Circle Graph: •Used to show percentage or fractions of the whole. Also called pie charts.