1. Unit 1 INTRODUCTION TO MATTER 1.2 What is particle diagram? AIM: How do you create a particle diagram and how do you use it to distinguish between a pure substance and a mixture? DO NOW: How is matter classified? Fill out the graphic organizer using notes from yesterday. MATTER MIXTURE PURE SUBSTANCE HETEROGENOUS MIXTURE HOMOGENEOUS MIXTURE COMPOUND ELEMENT

2. WHAT IS A PARTICLE DIAGRAM? A diagram serves as a representation of something Examples of diagrams: Diagram of this classroom Diagram of a plant Diagram of

3. WHAT IS A PARTICLE DIAGRAM? A drawing that represents atoms or molecules These diagrams can represent elements and compounds, and their molecular composition (depending on how they are arranged in the diagram).

4. LEGEND Serves as a key. It helps us identify what each part of the diagram represents KEY

8. GROUP ACTIVITY With a partner: Classify the following items as a homogeneous mixture, heterogeneous mixture, element or compound. Draw particle diagrams representing each of the items. (10 mins) With your table: Create a particle diagram for the category listed on the post-it. (5 mins)

9. ITEMCLASSIFICATIONPARTICLE DIAGRAM (include a key) A Silver Ring Oil and Water Aluminum and Iron Water Oxygen

10. INDEPENENT PRACTICE Using your notes please complete the independent practice. Please submit into the BIN

11. FOR HOMEWORK BEGIN WORKING ON HOMEWORK PACKET (due at the end of the week) –You must answer 14 out of the 20 questions provided START FILLING OUT CHEMISTRY VOCABULARY JOURNAL - you will be allowed to use this on your quizzes and (some of) your exams