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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 |