1. Agenda 09-24-2015 1. Introduction 2. Homework 3. Activity 5: Separating the Substances in the Mixture 4. Science Terms (Week 3) Review

2. Activity 5: Separating the Mixture Objective Students will be able to: –Apply a procedure, designed previously, to separate substances present in a mixture.

3. Activity 5: Separating the Mixture Purpose Students will be able to: –Transfer their knowledge when separating substances present in a mixture.

4. Homework –Analysis Questions 1 & 3, Activity 5, p.A20. –Work on Science Fair assignment about problem, hypothesis and variables Due Monday 28 th

5. Activity 5: Separating the Mixture PRE-LAB: properties, physical properties, chemical properties. DATA Paste “Chemical Data Safety Sheet” to your journal Read the Introduction (A19)

6. Chemical Data Safety Sheet SubstanceMaterial (name) Physical Characteristics Hazards (Chemical Properties) Safety Precautions Appearance Density Corrosive/ Reactive Flammable Toxic Liquid A Liquid B Red Tube Black Square Short metal cylinder Long metal cylinder

7. Properties of Substances Physical PropertyChemical Property Never changes. No matter the size of the sample. Examples: color, texture, density, flexibility. Result or change due to a chemical reaction. Examples: color change, pH, bubbling. Help identify the substance

8. Properties of Substances Properties to observe in the substances separated Physical properties Appearance Density Chemical properties Corrosiveness Flammability (demonstration) Toxicity

9. Chemical Data Safety Sheet SubstanceMaterial (name) Physical CharacteristicsHazards (Chemical Properties)Safety Precautions AppearanceDensityCorrosive/ Reactive FlammableToxic Liquid A Liquid B Red Tube Black Square Short metal cylinder Long metal cylinder Follow steps 1-6, p. A20 Complete Data

10. What do you already know? Complete the form to show what you already know about the science words at the end of the week.

11. Homework –Analysis Questions 1 & 3, Activity 5, p.A20. –Work on Science Fair assignment about problem, hypothesis and variables Due Monday 28 th