1. Agenda 09-16-2015 1. Introduction 2. Homework 3. Activity 2: Types of Hazards (Part 2) 4. Classroom Substances Summary

2. Objective Students will be able to: Identify the hazards associated with chemicals (Part 2) Compare and contrast classroom substances.

3. Purpose Students will apply their new knowledge to: Handle hazardous substances safely in different situations and environments.

4. Homework 1.Analysis Questions 1, 2 & 4, Activity 2. 2.Get one label from one of the products you use to clean at home. In case the container has 2 labels, make sure you bring both.

5. Activity 2: Types of Hazards Complete the data table “Classroom Substances”. SubstanceHazard Class(s)Safety Precautions Ammonium Hydroxide corrosive, toxicWear goggles/gloves. Avoid contact with skin, inhaling, swallowing. Carbon Dioxide Copper Chloride Solution Ethyl Alcohol (Ethanol) Hydrochloric Acid Solution Hydrogen Peroxide Magnesium Phenolphthalein Solution Polyvinyl Alcohol Potassium Hydroxide Sodium Borate

6. CLASSROOM SUBSTANCES SubstanceHazard Class(s)Safety Precautions Ammonium Hydroxide corrosive, toxic Wear goggles/gloves. Avoid contact with skin, inhaling, swallowing. Carbon Dioxide Copper Chloride Solution Ethyl Alcohol (Ethanol) Hydrochloric Acid Solution Hydrogen Peroxide toxic Do not inhale. toxic, corrosive toxic, corrosive flammable Wear goggles/gloves. Do not ingest/inhale. No contact with skin. Keep away from flame/fire. toxic, corrosive Wear goggles/gloves. Do not ingest/inhale. No contact with skin. Wear goggles/gloves. Avoid contact with skin, inhaling, swallowing. toxic, corrosive Wear goggles/gloves. Do not ingest/inhale. No contact with skin. Clean hands.

7. CLASSROOM SUBSTANCES SubstanceHazard Class(s)Safety Precautions Neroline Yara Magnesium Phenolphthalein Solution Polyvinyl Alcohol Potassium Hydroxide Sodium Borate None flammable Do not use near flames/fire. toxic Wear goggles/gloves. Do not ingest/inhale. No contact with skin. Wash hands. toxic Wear goggles/gloves. Do not ingest/inhale. No contact with skin. Wash hands. toxic, corrosive Wear goggles/gloves. Do not ingest/inhale. No contact with skin. Wash hands toxic Wear goggles/gloves. Do not ingest/inhale. No contact with skin. Wash hands.

8. Classroom Substances and Types of Hazards Flammable Corrosive Toxic Draw the Venn Diagram. Use the information from the table “Classroom Substances” to complete it.

9. Classroom Substances and Types of Hazards Flammable Corrosive Toxic Magnesium Ethyl Alcohol Potassium Hydroxide Sodium Borate Ammonium Hydroxide Copper Chloride Hydrochloric Acid Hydrogen Peroxide Carbon Dioxide Phenolphthalein Polyvinyl Alcohol Neroline Yara Yara

10. Homework 1.Analysis Questions 1, 2 & 4, Activity 2. 2.Get one label from one of the products you use to clean at home. In case the container has 2 labels, make sure you bring both.