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JMO sci bef Ch 1
Terms
| Term | Definition |
|---|---|
| science | finding answers to questions by investigating and exploring natural events |
| biology | study of all living things |
| earth science | study of what is in, on, and around the earth and in space |
| physical science | studies the interactions of matter, energy, and forces in space |
| inference | logical explanations based on observations |
| experiment variable | part of experiment that can change |
| experiment control | part of experiment that stays the same |
| description | spoken or written summary of observations |
| explanation | an interpretation of observations |
| international system of units | an internationally accepted system for measurements |
| accuracy | how close a measurement is to the true value |
| precision | description of how similar or close measurements are to each other |
| significant digits | number of digits in a measurement |
| variable | any factor in an experiment |
| dependent variable | factor measured or observed |
| independent variable | factor you want to test |
| constants | factors in an experiment that remain the same |
| hypothesis | an educated guess based on inferences |
| observation | using your senses to gather info |
| technology | practical use for scientific knowledge |
| scientific theory | an explanation of observations |
| scientific law | describes a pattern in nature that is always true |
| critical thinking | comparing what you know |