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Inquiry and the Scientific Method

Inquiry and the Scientific Method. Inquiry. learning by asking questions. Scientific evidence. scientific research and evidence must objective describe only what actually happened as exactly as possible reported without bias or opinion reliable

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Inquiry and the Scientific Method

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  1. Inquiry and the Scientific Method

  2. Inquiry • learning by asking questions

  3. Scientific evidence • scientific research and evidence must • objective • describe only what actually happened as exactly as possible • reported without bias or opinion • reliable • could your experiment be repeated by someone else • valid • did you really test for what you thought you did • communicatedclearly with no room for misunderstanding • when referring to other people’s work, cite the source

  4. Theories vs. Laws • What is the difference? • Law • tells us what will happen • does not try to explain or say why • Theory • often an attempt to explain a law • explains how or why something occurs and is verified by known facts • theories do not turn into laws • may need to be changed due to new observations

  5. Scientific Process/Method (see Scoring Rubric for Inquiry Experiments hand out) No need to take notes on this. We will DO this in labs, not simply talk about it. • title • question • hypothesis • materials • procedure • variables and controls • data collection • data presentation/processing/graphs • conclusion/analysis • evaluation/discussion

  6. Science, Technology, Engineers • Science • to learn about our natural world • Technology • a way of using scientific knowledge to create devices, such as mobile phones and medical instruments • Engineers • people who use scientific knowledge to create or improve inventions that solve problems

  7. Mr. Jansen tells you that a bike with larger 29 inch wheels might be “faster” than a normal mountain bike with 26 inch wheels. Therefore, he puts on his iPod Shuffle, cranks up Aerosmith, and rides his trail five times with the 29 inch wheeled bike and then five times with his 26 inch wheeled bike. His times on the 29 inch bike were 3:22, 3:24, 3:21, 3:29, and 3:21 with an average of 3:24 (min. and sec.). The times on the 26 inch wheeled bike were 3:35, 3:39, 3:35, 3:40, and 3:31 with an average of 3:36 (min. and sec.) • What could be a reasonable hypothesis for his experiment? • What is the dependent (responding) variable? Independent (manipulated) variable? • What would be a good title for this experiment? • List three controls he should have. • What type of graph would be appropriate for this data? Why? • What conclusion can you make from the data? • What could be some improvements for this experiment if he were do it again?

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