Randy observed that cooked onions in his food taste very differently from the raw onions that he had on his salad. He wondered why that was so. He thinks that he has an idea, but he is not sure. What has he developed in his mind?
Which statement summarizes the difference between a law and a theory?
To which scientific discipline are the fields of geology, materials, and nutrition best related?
Which is a positive effect of using chemistry?
A teacher discusses a scientific theory that has been in place for almost a century. Which would present the greatest challenge to this theory?
X-ray crystallography is used to see the structure of molecules. Scientists have used this technique to find the structure of cholesterol, an important biological molecule. Knowledge of the structure of cholesterol is helpful because it may affect
A scientist develops a new experiment to test atomic theory. His results do not agree with the theory. What will most likely happen next?
Which factor is most important to consider when evaluating a journal article about global warming?
Which statement best describes information that would be associated with science rather than with pseudoscience?
Which statement correctly compares a hypothesis and a theory?
Which best explains why openness is important to the progress of science?
In 1971, a physicist named Gabor received the Nobel Prize for developing the basic ideas of holography, a method of producing a three-dimensional image of an object. His work marked a major advance in laser technology and occurred without much previous work in this area. Based on this information, which statement is most likely true of Gabor?
A medical research lab in Europe is studying a drug’s absorption in the blood. Another lab in Japan is trying to delay the elimination of this drug from the blood so that it can act in the body for a longer period of time. Based on this information, it can be concluded that scientific knowledge progresses due to the efforts of scientists
Which branch of chemistry would study how pollution effects marine life?
Which statement correctly contrasts science and pseudoscience?
When may a hypothesis be revised?
Eric notices that his flashlight does not turn on when he flips the switch. What is the least appropriate hypothesis for Eric to make?
Which area of science is considered the central science?
When may a scientific theory be revised?
A high school class is discussing whether a particular discovery in chemistry has had a positive impact on society. Which question is the most important for the students to answer?
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