| Term | Definition |
|---|
| classify | grouping things together based on specific characteristics |
| control | the group or subject that is used as a standard for comparison in an experiment |
| data | information, measurements and materials gathered from observations that are used to help answer questions |
| experiment | a test using observations and controlled variables to discover answers to questions, and/or the check a hypothesis |
| hypothesis | a testable explanation for observations and questions about the physical universe |
| methods | an ordered series of steps followed to help answer a question |
| nature | the entire physical universe |
| observation | noticing objects or events using the fives senses; the data collected by using the five senses to learn about objects and events |
| prediction | a statement made about the future outcome of an experiment based on past experiences or observations |
| procedure | an ordered series of steps followed to help answer a question |
| repeated trials | experimental tests done more than once |
| science | the study of nature and the physical world using the methods of science, or a "special method of finding things out" |
| scientist | a person who "does" science and uses the methods of science |
| scientific method | a process of critical thinking that uses observations and experiments to investigate testable predictions about the physical universe |
| scientific theory | a causal explanation for generalized patterns in nature that is supported by much scientific evidence based on data collected using scientific methods |
| variation | slight differences among objects, organisms or events that are all of the same basic type |
| variable | something that can affect a system being examined, and is therefore a factor that may change in an experiment |
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