bio midterm review
Terms
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- controlled experiment
- any experiment that tests on variable
- qualitative data
- any observations recorded in the form of descriptions
- quantintative data
- any observations recorded as metric measurements
- variable
- any factor in an experiment that is not constant (it changes)
- hypothesis
- suggested, testable answer to a well-defined scientific question.
- data
- recorded observations or items of information.
- theory
- well-tested explanation that makes sense of a great variety of scientific observations.
- observation
- use of the senses to gather and record information about structures or processes in nature.
- inference
- logical conclusion based on observations.
- evidence
- collected body of data from observations and experiments
- model
- physical, mental, or mathematical representation of how people understand a process or an idea.
- atom
- smallest particle of an element
- element
- pute substance that cannot be broken down into other substances by chemical or physical means
- molecule
- two or more atoms held together by covalent bonds.
- compound
- substance containing two or more elements chemically combined in a fixed ratio.