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?
Which is least likely to occur after an experiment is conducted to test a hypothesis?
What is the primary difference between a hypothesis and a theory?
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 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?
Jenna is a scientist in a chemistry lab. Her experiment did not support her current theory. What should she do next?
When scientists say that a theory can never be proven, what are they actually saying?
Which statement correctly compares a law and a theory?
When a theory is disproved by further evidence, which of the following occurs?
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