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| use of the senses to collect data: hearing, sight, smell, touch, taste |
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| recorded observations and measurements; items of information |
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| a logical conclusion based on obersavtions. Ex. You infer that someone is at the door when you hear the doorbell ring. |
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| general conclusion. Usually made by making a "rule" based on quantative and qualitative data. |
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| science is a way of knowing |
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| information in the form of description Ex. Jane Goodall kept notes on her observatios of chimpanzee behavior in the jungle in Gambia. |
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| information in the form of measurements based on the metric system. Ex. Goodall documented her observations with photographs and movies. |
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| What is discovery science? |
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| describes natural structuresa or processes as accurately as possible through careful observation and data collection. |
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| Alexander Fleming's discovery? |
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| Penicillin, lifesaving antibotic made by fungi and mold. Used to treat infections, diseases caused by bacteria. |
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| Steps in Scientific Inquiry |
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OQHPT=Orange quails hate purple tigers.
Observation, Question, Hypothesis, Pre4diction, Test. |
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| Hypothesis (pl. hypotheses) |
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| is a suggested answer to a well defined scientivid question-an explanation on trial. |
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| What are the two words needed for a hypothesis? |
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| a condition that can differ in an experiment. |
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| an experiment that tests the effect of a single variable. |
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| What is the solution to the problem of unwanted variables? |
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| divide the sbjects into two groups: a control group and an experimental group. |
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| collected body of data from observations and experiments. |
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| What makes a hypothesis scientific? How doe you know which of the hypotheses make scientific sense? |
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| The hypothesis must be able to be tested. |
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| It is limited in the kinds of questions it can answer: Requires repeatable observations and testable hypotheses. |
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| a well tested expolanation that makes sense of a great variety of scientific observations. |
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| are physical, mental, or mathematical representations of how people understand a process or an idea. |
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| What forms can models take? |
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| drawing, graph, three dimensional object, computer program or mathematical equation or a description of how a natural process works. |
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| are another type of model in science. It is a comparison that shows a likeness between two things. Ex. brain is like a computer |
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| How do scientists judge the value of models? |
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| Does it explain all the observations related to it? Can predictions be made from the model? Is it compatible with other, related models or ideas? ex. Does the descriptioj of blood flow in the diagram Fig 2-20 match the path blood actuall follows in a working heart. |
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| What is the goal of technology? |
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| to apply scientific understanding for some specific purpose. Scientists=discoveries, Engineers=inventions. |
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| What was discovered by James Watson and Francis Crick? |
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