ch 2 acad.notebook - Brecksville-Broadview Heights High …staff.bbhcsd.org/smithbeth/acad chem ch...
Transcript of ch 2 acad.notebook - Brecksville-Broadview Heights High …staff.bbhcsd.org/smithbeth/acad chem ch...
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Ch 2 Analyzing DataBig Idea Chemists collect and analyze data to determine how matter interacts.
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Practice Problem: A piece of metal with a mass of 147.0 g is placed in a graduated cylinder. The H2O level rises from 21.0 to 41.0 mL. What is the density of the metal?
http://www.youtube.com/watch?v=BlU_GxCViN4
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Practice:
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Practice:
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Graph Requirements
• Title - make it descriptive• Axes labeled - with UNITS!
x axis: independent variabley axis: dependent variable
• Axes numbered with appropriate scale ( do not label every line!)• Make your graph big!• Terms to know: best-fit line: linear and nonlinear; interpolation and extrapolation