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Year 9 chemistry

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Year 9 chemistry

(2)

Today‘s topics

 Overview of the school year and testing

 General lab rules

 Rules for practical work

 Hazard symbols

 Getting to know some lab

equipment

(3)

School year and testing

 This year‘s topics

 Substances, mixtures, separation processes

 Chemical reactions

 Atoms, molecules and ions

 The periodic table

 Ionic compounds, metals, covalent compounds

 Units and calculations

 Testing

 One oral grade (UB) per term

 One Term Test per term

 One graded lab report in term 2 or 3

(4)

General lab rules

 Lab rules

No drinking or eating inside the lab

Closed shoes

Being down in the lab on time

 Safety features

Emergency buttons

Faucets and eye shower

Fire extinguishers and fire alarm

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Let‘s get started!

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Rules for practical work

 On your own: Work through worksheet 1

 At your table: Compare and discuss your drawings and explanations

 Let’s present some of your work!

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Hazard symbols

 Complete the hazard symbol worksheet with your neighbor

 Let’s compare your results!

 Put the following lines into your workbooks:

1. Substances and reactions

1.1 Lab safety -> Worksheet 1 Hazard symbols

 Stick the correct combinations into your workbook

 Small homework: Looks for substances at home that carry hazard symbols!

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Getting to know some lab equipment

 Work through the back of worksheet 1 with the rest of your table

 Let’s present your results!

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