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T he Ozone Hole

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.

By gyan
(202 views)

KNOCKHARDY PUBLISHING

KNOCKHARDY PUBLISHING

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

By len
(1216 views)

Ozone Depletion

Ozone Depletion

Ozone Depletion. O 3. Ozone Factoids. Good in the stratosphere, bad in the troposphere Produced at a height of ~50 km, settles to a height of 23 km Filters out 95 – 99% of incoming UV-A and UV-B ( 0.2 m - 0.3 m ; m = 10 -6 m )

By Anita
(144 views)

Human activities affect the atmosphere

Human activities affect the atmosphere

Section 1.4. Human activities affect the atmosphere. Air pollution is the addition of harmful materials to Earth’s atmosphere. http://environment.nationalgeographic.com/environment/global-warming/pollution-overview / http://www.earthlyissues.com/airpollution.htm. Air pollution  .

By hea
(149 views)

WHAT IS OZONE DEPLETION?

WHAT IS OZONE DEPLETION?

WHAT IS OZONE DEPLETION?. WHAT IS OZONE?. Triatomic form of oxygen (O 3 ) Strong oxidant (chemically reactive) In lower atmosphere = pollutant In stratosphere = protective “shield” • 90% of O 3 found b/w 15-40 km altitude • 99% of UV radiation screened by ozone

By damita
(312 views)

The Ozone Shield

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.

By alban
(317 views)

CFCs and Ozone

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

By adanne
(203 views)

Ozone depletion

Ozone depletion

Ozone depletion. Ozone layer is a concentration of ozone molecules in the stratosphere (10-50km above earth’s surface) Stratospheric ozone shields earth from sun’s ultraviolet (UV) rays, reducing radiation

By inari
(171 views)

Chapter 16 Section 1 Earth’s Atmosphere

Chapter 16 Section 1 Earth’s Atmosphere

Chapter 16 Section 1 Earth’s Atmosphere. * a thin layer of air that forms a protective covering around the planet . 1. Earth’s atmosphere. * keeps days cool and nights warm * protects life-forms from some of the Sun’s harmful rays. * start = Earth’s surface * end = outer space.

By donald
(144 views)

Ozone Layer

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. .

By hisoki
(159 views)

4.3.1 Basic Material from Physics and Chemistry

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.

By carson
(184 views)

13-2 The Ozone Shield

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.

By gilon
(111 views)

Measurement Unit Skillsheet

Measurement Unit Skillsheet

Measurement Unit Skillsheet. B. Scientific Notation E.g. Write 3.50x10 -5 in expanded form I can improve my understanding I’ve mastered this!  Hebden Practice Questions: None, unfortunately, but you have a practice scientific notation worksheet and if you need more practice let me know.

By ursala
(71 views)

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

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.

By moses
(170 views)

Do Now

Do Now

Do Now. Get out your layers of atmosphere foldable & Layers of atmosphere hw . Why does temperature increase with altitude in the thermosphere? What are at least 4 ways you know when things are due in this class?. Good Ozone. Formula: 0 2 + 0 = 0 3 Location: Stratosphere ≈ 10 – 50 Km

By twyla
(80 views)

The Mayans Easter Island Mesopotamia Biosphere 2

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

By marcos
(82 views)

Chapter: Atmosphere

Chapter: Atmosphere

Table of Contents. Chapter: Atmosphere. Section 1: Earth's Atmosphere. Section 2: Energy Transfer in the Atmosphere. Section 3: Air Movement. Earth’s Atmosphere. 1. Importance of the Atmosphere.

By ringo
(115 views)

Chapter: Atmosphere

Chapter: Atmosphere

Table of Contents. Chapter: Atmosphere. Section 1: Earth's Atmosphere. Section 2: Energy Transfer in the Atmosphere. Section 3: Air Movement. Earth’s Atmosphere. 1. Importance of the Atmosphere.

By kura
(143 views)

Chapter: Atmosphere

Chapter: Atmosphere

Table of Contents. Chapter: Atmosphere. Section 1: Earth's Atmosphere. Section 2: Energy Transfer in the Atmosphere. Section 3: Air Movement. Earth’s Atmosphere. 1. Importance of the Atmosphere.

By stella
(130 views)

Chapter: Atmosphere

Chapter: Atmosphere

Table of Contents. Chapter: Atmosphere. Section 1: Earth's Atmosphere. Section 2: Energy Transfer in the Atmosphere. Section 3: Air Movement. Earth’s Atmosphere. 1. Importance of the Atmosphere.

By shona
(166 views)

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