Chemistry Oct. 5 & 6, 2015

•OBJECTIVE: Students will complete several questions in writing, using their note-books, to show that they have mastered 80% of the information on matter.

•W.O.D. retract-to withdraw

•WARM-UP

1. Copy and complete the flow diagram on the board. NO TEXT-BOOKS ALLOWED, ONLY NOTE-BOOKS.

CW

•Complete the open book test using your notes NO PHONES

Models

Models are used in science all the time. NOS requires us to understand the role models play in science knowledge. So write your answers to the following questions in your note-books and be prepared to discuss them.

1.What is a model?

2.Why do scientists use models?

3.Can different scientists have different models for the same subject? Explain your answer.

4.Give an example of a model used in chemistry. Describe the model and discuss  how effective is the model in improving our understanding of the subject.