'Ozone molecules' presentation slideshows

Chapter: Atmosphere

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Chapter: Atmosphere

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Chapter: Atmosphere

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Chapter: Atmosphere

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The Mayans Easter Island Mesopotamia Biosphere 2

Learning from the past. The Mayans Easter Island Mesopotamia Biosphere 2. 1.3. WHY IS SUSTAINABILITY AN ISSUE?. 1.4. State of the world - social. In 2000: Global population 6.1 billion, up from 2.5 billion in 1950 95% of population growth in developing countries

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4.3.1 Basic Material from Physics and Chemistry

4.3.1 Basic Material from Physics and Chemistry. 4.3.1.1 Atoms and Molecules. Basic Material from Physics and Chemistry. In this section we will look at basic background material from physics and chemistry needed to understand the nature of the chemical hazards we will be modeling. Atoms.

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KNOCKHARDY PUBLISHING

GREEN CHEMISTRY. 2008 SPECIFICATIONS. KNOCKHARDY PUBLISHING. KNOCKHARDY PUBLISHING. GREEN CHEMISTRY. INTRODUCTION

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13-2 The Ozone Shield

13-2 The Ozone Shield. Page 335. A. Chemicals that Cause Ozone Depletion. 1. The ozone layer is an area in the stratosphere where ozone is highly concentrated. A. Chemicals that Cause Ozone Depletion.

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T he Ozone Hole

T he Ozone Hole. Ange Darnell. Ozone. Ozone is a relatively unstable molecule made up of three oxygen atoms. The majority of this compound exists in the stratosphere (15 miles up) and shields the Earth from harmful UV radiation from the sun. Source: University of Alaska.

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Do Now

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Ozone depletion

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Ozone Depletion

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Human activities affect the atmosphere

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WHAT IS OZONE DEPLETION?

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The Ozone Shield

Section 13-2. The Ozone Shield. Ozone Layer. Area in the stratosphere where ozone is highly concentrated Ozone: 3 atoms of oxygen (O3) Absorbs most of the harmful ultraviolet (UV) radiation from the sun Acts like a sunscreen for the Earth. Chemicals That Cause Ozone Depletion.

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CFCs and Ozone

CFCs and Ozone. By Peter Sawyer. CFCs Breakdown. CFCs are Halogenoalkanes They contain only Chlorine, fluorine and carbon! All the hydrogen's have been replaced. CFCs Breakdown. Very stable due to the CARBON-HALOGEN bonds. CFCs properties . VERY stable Volatile Non-flammable Non-toxic

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Ozone Layer

Ozone Layer. CFCs- Chlorofluorocarbons. They are used in the manufacture of aerosol sprays, blowing agents for foams and packing materials, as solvents, and as refrigerants. .

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Measurement Unit Skillsheet

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Materials : Red paint Sticks Styrofoam Foamy 12 Styrofoam balls Procedure Procedure:

Materials : Red paint Sticks Styrofoam Foamy 12 Styrofoam balls Procedure Procedure: Paint the 12 Styrofoam balls with the red paint. When the balls are dry , insert the little sticks to the balls. Paste three balls together with hot glue to simulate the ozone molecule.

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