Agenda 09-15-2015 1.Introduction 2.Review Activity 1 (p. A4) 3.Homework 4.Set-up Activity 2 5.Activity 2 (Part 1)

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Presentation transcript:

Agenda Introduction 2.Review Activity 1 (p. A4) 3.Homework 4.Set-up Activity 2 5.Activity 2 (Part 1)

Review Activity 1 Steps to Handle Unknown Substances Assume they are hazardous Do not get close to the unknown substances Notify adult, Police/Fire Department Call “Hazmat” Team. It … Observes and tests from distance Wears protective clothing Protects eyes Avoids inhaling fumes/gases Avoids contact with the skin Takes samples to test and identify substances Disposes of unknown substances at an appropriate site

Think about Activity 1… How useful is to follow these steps when you are handling chemicals at home, out in another building, or in labs? Explain.

Activity 2: Types of Hazards Objective Students will be able to: Identify the hazards associated with the use of chemicals.

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

Homework 1.Add the science words (Pre-Lab) with your definitions to the Glossary. 2.Work on Science Fair project

Activity 2: Types of Hazards Set up Activity 2 (p. A6) PRE-LAB: corrosive, toxic, flammable, biohazard, oxidizer, radioactive Paste Data Table to Journal (provided by teacher) Read Introduction p. A6

GetterJuan Perez Activity 2: Types of Hazards DATE: CHALLENGE: What types of hazards do certain substances pose? MATERIALS: (√) PROCEDURE: I understand what to do. PRE-LAB: corrosive, toxic, flammable, biohazard, oxidizer, radioactive. DATA: Set-up Activity 2 SubstanceHazard Class(s)Safety Precautions Ammonium Hydroxide Carbon Dioxide Copper Chloride Solution Ethyl Alcohol (Ethanol) Hydrochloric Acid Solution Hydrogen Peroxide Magnesium Phenolphthalein Solution Polyvinyl Alcohol Potassium Hydroxide Sodium Borate ACTIVITY 2: CLASSROOM SUBSTANCES

Activity 2: Types of Hazards Follow Procedure, Steps 1-5 (p. A7) Check Table “Labeling Hazardous Materials” (p. A8). Study the 12 Chemical Data Cards. Familiarize yourself with each of the substances the cards describe. Using the Table on p. A8 and the cards, complete the data table “Classroom Substances”.

CLASSROOM SUBSTANCES SubstanceHazard Class(s)Safety Precautions Ammonium Hydroxide Carbon Dioxide Copper Chloride Solution Ethyl Alcohol (Ethanol) Hydrochloric Acid Solution Hydrogen Peroxide Magnesium Phenolphthalein Solution Polyvinyl Alcohol Potassium Hydroxide Sodium Borate corrosive, toxic Wear goggles/gloves. Avoid contact with skin, inhaling, swallowing.

Homework 1.Add the science words (Pre-Lab) with your definitions to the Glossary. 2.Work on Science Fair project