| theory definitions |
| # | Definition | Sets |
| 1 | well-tested explanation that unifies a broad range of observations | 100 sets |
| 2 | an explanation using an integrated set of principles that organizes and predicts observations | 51 sets |
| 3 | a set of assumptions used to explain phenomena and offered for scientific study | 33 sets |
| 4 | well tested explanation that unifies a broad range of observations | 28 sets |
| 5 | a well-substantiated explanation of some aspect of the natural world | 28 sets |
| 6 | idea that explains something and is supported by data | 27 sets |
| 7 | a hypothesis that is well supported by scientific data | 27 sets |
| 8 | a statement of how and why specific facts are related | 22 sets |
| 9 | explanation of things or events based on scientific knowledge resulting from many observations and experiments | 21 sets |
| 10 | a tentative theory about the natural world | 19 sets |
| 11 | an explanation using an integrated set of principles that organizes and predicts observations. | 19 sets |
| 12 | an explanation using an integrated set of principles that organizes observations and predicts behaviors or events | 18 sets |
| 13 | a broad generalization that explains a body of facts or phenomena | 17 sets |
| 14 | an idea based on study and research | 15 sets |
| 15 | a hypothesis that has been tested with a significant amount of data | 15 sets |
| 16 | a possible explanation | 15 sets |
| 17 | a unifying explanation for a broad range of hypotheses and observations that have been supported by testing | 15 sets |
| 18 | a tested explanation of facts, observations, and natural phenomena. | 14 sets |
| 19 | a well-tested explanation for a broad set of observations | 13 sets |
| 20 | a system of ideas that explains many related observations and is supported by a large body of evidence acquired through scientific investigation | 13 sets |
| 21 | a well tested explanation that unifies a broad range of observations | 13 sets |
| 22 | an explanation for some phenomenon that is based on observation, experimentation, and reasoning | 11 sets |
| 23 | this organizes data and is used to make predictions | 10 sets |
| 24 | well-tested, well-supported explanation that unifies a broad range of observations | 10 sets |
| 25 | an explanation that ties together many hypotheses and observations | 10 sets |
| 26 | elmélet | 10 sets |
| 27 | a belief that can guide behavior | 10 sets |
| 28 | an explanation using an integrated set of principles that organizes observations and predicts behaviors or events. | 9 sets |
| 29 | a hypothesis that is generally accepted due to lots of experimental support | 9 sets |
| 30 | well-tested explanation that unifies a broad range of observations. | 9 sets |
| 31 | well-tested explanation that makes sense of a great variety of scientific observations | 9 sets |
| 32 | a set of related hypotheses that have been tested and confirmed many times by many scientists | 8 sets |
| 33 | a hypothesis that has been tested with a significant amount of data. | 8 sets |
| 34 | an idea offered to explain a happening | 8 sets |
| 35 | an explanation of things or events based on knowledge gained from many observations and investigations | 8 sets |
| 36 | an explanation of things or events based on scientific knowledge that is the result of many observations and experiments | 7 sets |
| 37 | systematic explanation of the relationship among phenomena | 7 sets |
| 38 | possible explanation | 7 sets |
| 39 | a logical explanation for events that occur in nature | 6 sets |
| 40 | a well supported hypothesis | 6 sets |
