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?
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?
Which is least likely to occur after an experiment is conducted to test a hypothesis?
Jenna is a scientist in a chemistry lab. Her experiment did not support her current theory. What should she do next?
When a theory is disproved by further evidence, which of the following occurs?
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 hypothesis be revised?
When scientists say that a theory can never be proven, what are they actually saying?
The data from one particular experiment do not agree with a current theory. What is the next step?
In general, which type of scientific knowledge or understanding is least well supported?
Which statement correctly compares a law and a theory?
When may a scientific theory be revised?
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?
Which term is testable, a prediction, and can be supported or refuted by data?
Did you find these answers helpful?