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Chapter 1 words

Scientific methods

TermDefinition
Observation Is something that you find about Objects,Events,or living things by using their senses.
Hypothesis A statement of what you think will happen during an investigation
Experiment To use scientific methods to test your Hypothesis
Model Objects or Ideas that represent other things
Sampling Examining random individuals from a population
Variable Something that can change in a test
Control Group The group that doesn't receive the special Treatment.
Independent Variable The Variable that you can control or change
Dependent Variable It is what is measured.Changes when the Independent Variable changes
Experimental Group The group that receives the special treatment
Surveys Questions that are answered by people.Great for Opinion Questions
Procedures Step by step instructions for a task
Data Information from which a conclusion can be made
Precision Consistently repeating a measurement
Accuracy A measurement that is as close to the actual measurement as possible
Inference A conclusion based on Observations
Evidence Observations that make you believe that something is true
Created by: Sofia-Catherin
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