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30 Cards in this Set
- Front
- Back
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observation
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when you use your senses to learn more about something
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Quantitative observation
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deals with numbers
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Qualitative observation
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deals with descriptions, not with numbers
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Inferring
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when you explain the things you observe
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Predicting
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making a forecast of what will happen in the future based on past experiences
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Classifying
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grouping together items that are alike in some way
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Making Models
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creating a representation of an object to help someone better understand it
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Life Science
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the study of living things; also known as biology
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Science
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the way of learning more about the world
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Scientific Inquiry
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refers to the diverse ways in which scientist study the world
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Hypothesis
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a possible answer to a scientific question
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Variables
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factors that can change in an experiment
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controlled experiment
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when only 1 variable is change
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Manipulated Variable
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the 1 variable that is purposly changed in an experiment
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Responding Variable
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the factor that may change in response to the manipulated variable
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Operational Def.
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a statement that describes how to measure a variable or define a term
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Data
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the facts, figures, and other evidence gathered through observation
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Communicating
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sharing ideas and experimental findings with others through writing or speaking
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Technology
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how people modify the world around them to meet their needs
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engineer
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a person who uses both technological and scientific knowledge to solve problems
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Scientific attitudes
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curiosity, honesty, open-mindness, skepticism, and creativity
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Curiosity
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They can learn more
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Honesty
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One scientists results might not be the same as another
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open-mindness
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they need to be excepting of what other people think
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Skepticism
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it has to balance out with open-mindness
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Creativity
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it takes creativity to find a solution
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Goal of technology
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to improve the way people live
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What are the good and bad effects of pesticides
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Good: Farmers produce more crops and feed more people
Bad: Humans and animals can be harmed if they eat food containing pesticides |
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When should you prepare for an experiment
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1 day before
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Possible hazards when doing an investigation in the field
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severe weather, traffic, posionus plants, and wild animals
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