Observing- use of senses to obtain information
-Making measurements and collecting data
-Qualitative-descriptive (ex: color)
-Quantative-numerical (ex: mass)
-System-a specific portion of matter in a given region of space that has been selected for study during an experimentation or observation

Hypothesis- testable statement
-Formed from generalizations about data
-Basis for making predictions
-"If-then" statements: "then" is the prediction that is the casis for testing using an experiment

Theorizing-when data shows a hypothesis is correct you try to explain it by constructing a model
-Model- more than a physical object; it's often an explanation of how phenomena occur and how data or events are related. May be visual, verbal, or mathematical
-If a model explains a phenomena correctly, may become part of a theory
-Theory-broad generalization that explains a body of facts or phenomena
-Theories are successful if they can predict the results of new......

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Title: Basic Chemistry
Approximate Word Count: 998
Approximate Pages: 4 (250 words per double-spaced page)

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