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Ch.1 section 1-4 vocab
Term | Definition |
---|---|
life science | a study of living things |
scientific methods | a series of steps followed to solve a problem |
hypothesis | an explanation that is based on prior |
controlled experiment | an experiment that tests only one factor at a time by using a comparison of a controlled group with an experimental group |
varible | a factor that changes in an experiment in order to test the hypothesis |
model | a pattern, plan, representation, or description designed to show the structure or workings of an object, system, or concept |
therory | an explanation that ties together many hypothesis and observations |
law | a summary of many experiment results and observations; a law tells how things work |
technology | the application of science for practical purposes; the use of tools, machines, and materials, and processes to meet human needs |
compound light microscope | an instrument that magnifies small objects so that they can be seen easily by using two or more lenses |