Scientific theories are___. A. guesses that are never proven B. fixed and never change C. based on evidence and can be revised D. created by one person and never questioned 相关知识点: 试题来源: 解析 C。解析:科学理论是基于证据的并且可以被修订。A 选项说永远不能被证明是错误的;B 选项...
rate at which the planet is warming, and the amount of time we as a society have left in reversing climate change, but the scientific fact of climate change has not changed, and no amount of misguided skepticism can change theories that have been scientifically proven to be accurate and ...
This allows room for statements that are sensible and well-grounded, but also ones that have little basis. Popper sought an answer to the question of demar- cation, i.e., a clear criterion which separates scientific from non-scientific theories. The answer clearly could not be that scientific...
A scientific theory is not the end result of the scientific method; theories can be proven or rejected, just like hypotheses. And theories are continually improved or modified as more information is gathered, so that the accuracy of the prediction becomes greater over time. Theories are foundation...
In fact, the theory should be a complete system that contains verifiable ideas and can be falsified by existing evidence or scientific experiments. The best theories (such as special relativity, quantum mechanics, and evolution) have withstood the test of hundreds of years. Challengers trying to ...
题目 Science is a process that builds upon existing theories and knowledge by continuously revising them.Every aspect of scientific knowledge can be questioned,including the general rules of thinking that appear to be most certain.So why is science trustworthy if it is always chang...
1.One that serves as a pattern or model. 2.A set or list of all the inflectional forms of a word or of one of its grammatical categories:the paradigm of an irregular verb. 3.A set of assumptions, concepts, values, and practices that constitutes a way of viewing reality for the commun...
Instead of introducingscientifictheories, he tells a story, within which he tries to make his points, perhaps in order to keep the reader's attention. 2015年高考英语湖北卷 阅读理解 阅读E 原文 It's partly that his writings rode a wave of social, political andscientificprogress. ...
On the other hand, existing approaches to scientific discovery propose laws that may be inconsistent with either background theory or existing data sources. Note that blue denotes components associated with logical theories, purple denotes components linked to data, yellow denotes hypothesis generation, ...
We learn how astrochemists, by scanning radio telescope spectra, are discovering hundreds of complex organic molecules in the spaces between stars and developing intriguing new theories on the origin of our chemical reservoir, the reasons for biological L-chirality, and how life could vary in ...