Objectives: 1) Explain the importance of scientific inquiry. 2) Explain the differences between a scientific theory and a scientific law.

Introduction Creativity and logic is a large part of science See things in a new way Test new ideas Key to much of science

How Scientists Approach Questions Scientific method: observing, asking, questions, forming a hypothesis, gathering data, experiment, analyzing data, publish results

Peer Review and Scientific Journals Scientists write papers explaining observations, experiment, data, analysis, conclusions Publish paper

Peer Review and Scientific Journals Cont’d Editor will ask experts in the field to read the paper If experts agree, then the paper may be published for other scientists to read If experts disagree, the paper may be sent back for revisions or decline to publish watch?v=yukSqUkKj7c watch?v=yukSqUkKj7c

The Importance of Testing Ideas Scientists need to be willing to Ask questions Experiment Change their minds about their hypothesis If evidence does not support it Need to be flexible

The Importance of Testing Ideas Cont’d Science depends on Inquiry (asking questions) Experimentation (testing to find evidence) Separates scientific knowledge from nonscientific knowledge

The Importance of Testing Ideas Cont’d Scientific questions must be supportable by evidence and be able to be tested in the natural world

Scientific Theories and Laws Theory: an explanation for observable events or facts for which no exception has been found Seems to be the best explanation for an observed phenomenon based on available information Theories rise and fall from favor with new information /watch?v=kSE6JLe1L-Y /watch?v=kSE6JLe1L-Y

Scientific Theories and Laws Cont’d Scientific laws: generalizations about how the natural world behaves under certain conditions No exceptions have been found Theories grow from laws Do not become laws until further testing

Exit Ticket Answer the following question. Use complete sentences. You may NOT use your book. You MAY use your notes. This is a quiz grade 1) Explain the importance of scientific inquiry. 2) Explain the differences between a scientific theory and a scientific law.