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

HETEROGENOUSMIXTURE

HOMOGENEOUSMIXTURE

COMPOUND ELEMENT

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

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).

LEGEND• Serves as a key. • It helps us identify what each part of the

diagram represents

KEY

GROUP ACTIVITYWith 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)

ITEM CLASSIFICATION PARTICLE DIAGRAM (include a key)

A Silver Ring

Oil and Water

Aluminum and Iron

Water

Oxygen

INDEPENENT PRACTICE• Using your notes please complete the

independent practice.• Please submit into the BIN

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