CHEM 101

What is the definition of a scientific theory? correct answer: a model that explains the underlying reasons for observations and laws What term best describes a brief statement that summarizes many past observations and predicts new ones? correct answer: scientific law Which of the following is an example of a scientific law? correct answer: In a chemical reaction, matter is neither created nor destroyed. Which of the following would be considered a theory? correct answer: Helium ba...

Which of the following is considered a hypothesis (as opposed to an observation)? correct answer: Birds can fly because they have hollow bones Which of the following would be considered a theory? correct answer: Helium balloons float because helium is less dense than air. Which of the statements below is NOT part of the scientific method? correct answer: All of the above steps are part of the scientific method. Which statement about a hypothesis is TRUE? correct answer: All of the a...