What is the primary difference between a hypothesis and a theory?
Jenna is a scientist in a chemistry lab. Her experiment did not support her current theory. What should she do next?
Which statement correctly compares a law and a theory?
When may a hypothesis be revised?
Jia observes that adding a solution of sodium hydroxide to a clear liquid turns the liquid pink. She makes a hypothesis about why the liquid changed color. Which characteristic is least important for her hypothesis to have?
When may a scientific theory be revised?
When a theory is disproved by further evidence, which of the following occurs?
When may a hypothesis be revised?
A student is creating a table that compares theories, hypotheses, and laws. TheoryHypothesisLawIs supported by many observations Can be tested Is falsifiable Explains observations In which row should the student enter “No” in the column for Law?
Eric notices that his flashlight does not turn on when he flips the switch. What is the least appropriate hypothesis for Eric to make?
A student is trying to create a table that compares hypotheses, theories, and laws. HypothesisTheoryLawDo scientific researchers formulate it?YesYesYesDoes it explain why things happen?YesYesNo____YesYesYesIs it used to make predictions?NoYesYesWhich of the following questions would most likely fill the blank in the table?
Ava’s best friend has an indoor cat. Ava notices that she sneezes every time that she visits her friend. Ava suspects that she is allergic to cats but is unsure. What is the best thing for Ava to do next?
When may a scientific theory be revised?
Which is least likely to occur after an experiment is conducted to test a hypothesis?
The data from one particular experiment do not agree with a current theory. What is the next step?
Which term is testable, a prediction, and can be supported or refuted by data?
In general, which type of scientific knowledge or understanding is least well supported?
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