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Bell Ringer Complete Conclusion Questions from yesterday’s lab.
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Bell Ringer Before time is up, list all the facts that you can remember from this class from last semester. (whoever gets the most, might get a prize) 3 minutes…go!!
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Bell Ringer 8-18-09 What are 3 ways scientists think?
What are the two types of observations? Give an example of each type of observation. You can write them beside #2.
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Scientific Inquiry Chapter 1 Section 2
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Scientific Inquiry is the ongoing process of discovery in science.
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Scientific Inquiry refers to the different ways scientists study the natural world.
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The Process of Inquiry Posing questions (scientific)
Developing Hypotheses Designing Experiments (variables) Collecting and Interpreting Data Drawing Conclusions Communicating Ideas and Results
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Scientific Method… 7 Steps
Identify the problem What do you want to know Research Collect information needed for questions Ask questions or use the internet Form a hypothesis This is an educated guess to your problem Experiment Test your hypothesis Manipulated (Independent) vs Responding (Dependent) Variable
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Repeat....Repeat.…Repeat…Repeat some more
5. Observe What’s happening in the experiment What do you see Collect data write down what’s happening in tables, charts, etc. Draw a conclusion The answer to your hypothesis What you learned from the experiment Repeat....Repeat.…Repeat…Repeat some more
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After the seven steps are done you should communicate your results with other scientists.
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Experimenting While experimenting there are some factors that are important. You need to examine all variables. Variables are factors that can change in an experiment.
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Types of Variables: Independent (manipulating) the one you change
dependent (responding) expected to change as a result of changing the independent variable
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How Science Develops Scientific Models Scientific Laws Scientific Theories
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1. Scientific Model- representation of an object or event used as a tool to understand the natural world
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2. Scientific Law- a rule that describes a pattern in the natural world.
This is usually a statement that describes what scientists expect to happen every time under a particular set of conditions. Ex: Sky Diver- Based on The law of gravity the sky diver will eventually land back on earth
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3. Scientific Theory- explanations that have been tested repeatedly and have the same results.
Future evidence may not support a theory due to the increase of technology so scientists may modify the theory or discard it. Ex: Sun revolved around the earth new evidence earth revolves around sun
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Exit Quiz 8-18-09 What unit measures length?
What do quantitative observations involve? Give an example of a quantitative observation. What are the two types of variables we discussed today? Which variable is the one we change on purpose?
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