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Science Unit 1.1
mrs walker 2nd hour science
Term | Definition |
---|---|
science | a way of learning about the natural world that provides possible explanations to questions |
controlled experiment | a scientific experiment that involves changing one factor and observing its affect on one thing while keeping all other things constant |
inference | a conclusion formed from available information or evidence |
observation | using one or more of your senses to identify or lear about something |
scientific theory | a possible explanation for repeatedly observed patters in nature supported by observations and results from many investigations |
model | a representation of an object or an event that is used as a tool for understanding the natural world |
scientific law | a rule that describes a pattern in nature but does not try to explain why something happens |
technology | use of science to help people in some way |
dependent variable | the variable that changes as a result of a change in the independent variable |
independent variable | the variable that is changed in an experiment |