Chapter 1 Summary
• The Scientific Method is a systematic method for testing ideas in order to further our understanding of how the Universe works.
• Scientists need a common system of measurement (the Metric System) and also need to measure carefully to produce reliable results.
• The number of significant figures in a measurement indicates the reliability of the measurement and is related to the precision of the measuring device.
• Unit analysis can help identify whether or not a physics expression is valid.
Definitions
• Hypothesis - A tentative explanation for an observation, phenomenon, or scientific problem that can be tested by further investigation.
• Theory - a hypothesis that has been tested vigorously, is believed to be true by all in the community, and is supported by indirect evidence.
• Law - a hypothesis that has been tested vigorously, is believed to be true by all in the community, and is supported by direct evidence.
• The Scientific Method is a systematic method for testing ideas in order to further our understanding of how the Universe works.
• Scientists need a common system of measurement (the Metric System) and also need to measure carefully to produce reliable results.
• The number of significant figures in a measurement indicates the reliability of the measurement and is related to the precision of the measuring device.
• Unit analysis can help identify whether or not a physics expression is valid.
Definitions
• Hypothesis - A tentative explanation for an observation, phenomenon, or scientific problem that can be tested by further investigation.
• Theory - a hypothesis that has been tested vigorously, is believed to be true by all in the community, and is supported by indirect evidence.
• Law - a hypothesis that has been tested vigorously, is believed to be true by all in the community, and is supported by direct evidence.