SECTION 3 Assessment
(16) Key Concept What did alchemists contribute to the development of chemistry?Hint
(17) Key Concept How did Lavoisier revolutionize the science of chemistry?Hint
(18) Key Concept Name three steps in the scientific method.Hint
(19) Key Concept Explain why collaboration and communication are important in science.Hint
(20)How did Lavoisier’s wife help him to communicate the results of his experiments?
(21)Why should a hypothesis be developed before experiments take place?
(22)Why is it important for scientists to publish a description of their procedures along with the results of their experiments?
(23)What is the difference between a theory and a hypothesis?
(24)What process takes place before an article is published in a scientific journal?
(25)In Chapter 2, you will learn that matter is neither created nor destroyed in any chemical change. Is this statement a theory or a law? Explain your answer.
Being an Informed Citizen
Write a paragraph explaining how you can learn about the research that is done by scientists. Then explain how this information could help you be an informed citizen.
Assessment 1.3 Test yourself on the concepts in Section 1.3.