This depletion would allow more uv radiation to reach the earths surface. Scientists have discovered that the ozone layer is getting thinner. My hypothesis concluded that outside would have a higher ozone and particulate matter than inside. Download and print the introduction to ozone article. Answers is the place to go to get the answers you need and to ask the questions you want. Students explore the causes and effects of the earths ozone holes through discussion and an interactive simulation. The ozone layer in the stratosphere protects living things by absorbing harmful ultraviolet radiation. In the 1980s, scientists began finding clues that the ozone layer was being depleted. Twenty questions and answers about the ozone layer.
A pogil activity guides students through an exploration to construct, deepen, refine, andor integrate understanding of relevant disciplinary content. A pogil activity is designed to be used with selfmanaged teams that employ the instructor as a facilitator of learning rather than as a source of information. The purpose of the activity is to construct a model that will provide students with a visual representation of parts per billion. Essay writing service of the highest quality, our essay writing service provides custom papers written from, we are a cheap, fast, and reliable essay writing service. This email is already in use with a student account. Key concept human activities affect the atmosphere. The questions address the nature of atmospheric ozone, the chemicals that cause ozone depletion, how global and. You will receive your score and answers at the end.
Without ozone, the suns intense uv radiation would sterilize the earths surface. Each video clip comes with several questions that should be easy to answer after listening to the clip. Ozone word scramble answers cancer sun block layer depletion sunglasses ozone montreal aerosol. Students can model this rate of depletion with the handson associated activity gumdrop ozone depletion model. Whats ozone is made of, and why is the ozone layer so important.
The ozone layer is a part of the earths stratosphere that protects the earth from getting too much uv radiation. Have students read the article and fill out the accompanying worksheet. The word ozone means smelly in greek because the gas has a strong odor. National aeronautics and the ozone hole space administratio n. The answers are updates of those first presented in the previous ozone assessment, scientific assessment of ozone depletion. Free printable geography worksheets student handouts. The main activity that leads to the ozone depletion is the use of cfc by humans. Ozone layer poster make a poster about the ozone layer. The emission of ozone depleting substances has been damaging the ozone layer. At ground level, ozone is a pollutant, but at higher altitudes it benefits life. But through domestic and international action, the ozone layer is healing and should fully recover by about 2065. Answers to questions are provided here in bold blue. Student answers should also address strategies for reducing the impact on human health such as staying indoors at times of day when air quality is low.
Air contains oxygen molecules that are made up of two oxygen atoms combined together o 2. This test is based on the oxidation capability of ozone. Noaa research ozone page 1 ozone student activity book i. The student actively listed and participated in the discussion on the ozone layer demonstration. The aim of this pack is to raise pupils awareness and understanding of ozone depletion in an interesting fashion. Activity extensions have students diagram how cfcs break the bonds in oxygen atoms. Cfc molecules are highly stable and can last for up to 100 years.
Some facts on the quiz address where this layer can be found and what it is made of. Click below to view the answers to practice questions in the a level sciences for ocr a and ocr b student books. Carsten braun, westfield state university in this lab activity students get to investigate a specific question does the ozone hole cause global warming. Oct 18, 2018 constructing a model of ppbv of surface ozone this activity is associated with studies of surface ozone but can serve studies of stratospheric ozone as well. Student book answers a level sciences for ocr student book answers click below to view the answers to practice questions in the a level sciences for ocr a and ocr b student books. The student completed the activity on gumdrop science and correctly answered the assigned questions. Students describe possible effect of global warming. The stratospheric ozone layer is earths sunscreen protecting living things from too much ultraviolet radiation from the sun. You can think of the ozone layer as a protective shield that keeps the harmful rays of the sun from hurting the plants and animals that live on the earth. Games, quizzes, and videos about the environment us epa.
One chlorine molecule from a cfc can destroy up to 100,000 ozone molecules. Unfortunately, this gives them plenty of time to find their way to the ozone layer. Use answer key below to grade student work or to have students check their work. Introduction ozone is similar to oxygen that we breathe. It protects life on earth from the suns ultraviolet uv rays. Ozone layer lesson plans and lesson ideas brainpop educators. Assortment of free printable worksheets and more for use in grades k12 main geography page.
Ks23 2 this activity pack has been designed for teachers, and is intended for use by top juniors aged 9 years taking key stages 2 or 3 of the national curriculum. This activity is planned for a class of 24 students working in two groups of 12 students each. Chapter 2 pdf chapter 3 pdf chapter 4 pdf chapter 5 pdf chapter 6 pdf chapter 7 pdf chapter 8 pdf chapter 9 pdf biology a asyear 1. Ozone is a molecule made up of three oxygen atoms combined together o 3. Ozone is everywhere in our atmosphere, but most of. Makenzie postma, mckenzie reynolds and lauren delavigne abstract.
Air quality teaching box ucar center for science education. Frequently asked questions about the ozone layer ozone. The student actively and accurately researched how stratospheric ozone was either affected by a sphere of how a sphere. Make sure to use the new vocabulary that you have learned. This could be creative artistic on art paper or more scienti. To help students get started so they can smoothly sail through this activity it would be helpful to do the first page or two in class. In this global warming activity, students describe the ozone layer in the atmosphere and global warming. Activity 1 forces of change atmosphere activity 1 page 3 activity 1. Use the quiz and worksheet to see what you know about the ozone layer. In this brainpop movie, tim explains everything you need to know about ozone, a rare but important gas you hear about all the time. The exact shade of purple correlates to the amount of ozone present in the air. Field testing for ozone united states environmental. Uv radiation comes mainly from the sun, although it can be artificially created on earth. Find answers to frequently asked questions about the ozone layer, ozone depletion, and the effects of ozone depletion on health and the environment.
This activity is associated with studies of surface ozone but can serve studies of stratospheric ozone as well. While this activity works best in large groups, it can be modified for group as small as five students. In this ozone activity, students graph ozone readings from 1956 to 1996. Ozone is a molecule made up of three oxygen atoms combined together o. In this ozone layer day worksheet, students read or listen to a passage about ozone layer day, then match phrases, fill in the blanks, choose words, unscramble words and sentences, put sentences in order, write discussion questions and. These answers have been produced as a separate publication to keep the cost of the manual. Ozone, aka o 3, is a triatomic oxygen molecule that naturally occurs in the stratosphere, the outermost layer of the atmosphere on earth. Ozone lesson plans and worksheets from thousands of teacher. Knowledge application use your knowledge to answer questions about the ozone layer.
What is the ozone layer, and why are people so concerned about this problem. This edition of the year 11 biology student workbook continues to develop its successful pedagogical approach. Student investigation templates and teacher support answers for questions in student and activity book chapter tests with answers sparklabs weblinks risk assessments teaching programs and curriculum mapping audits be reflective the thinking about my learning feature provides the opportunity for selfreflection. Student answers should include reducing the sources of air pollution such as auto emissions and factory emissions. Ozone is a toxic air pollutant that is a concern for peoples health when levels in outdoor air are high. Before providing the worksheet or any background information, ask each student to draw what the atmosphere looks like.
How does epa protect the environment activity book learn the basics about how epa protects our health and environment. Air contains oxygen molecules that are made up of two oxygen atoms combined together o. The iodine reacts with starch and produces a purple color. Ozone gas in the stratosphere forms when oxygen molecules interact with ultraviolet rays from the sun. Then lead a class discussion in which students share their ideas. In an associated literacy activity, students learn how to tell a story in order to make a complex topic such as global warming or ozone holes easier for a reader to grasp. Ozone in the air will oxidize the potassium iodide on the schoenbein paper to produce iodine. Ozone is the principal component of the mixture of air pollutants known as smog that is produced from the action of sunlight on air contaminants from automobile exhausts and other sources. Ozone in the stratospherea layer of the atmosphere between 15 and 50 kilometers 10 and 31 miles above usacts as a shield to protect earths surface from the suns harmful ultraviolet radiation. Pogil activities for high school chemistry answer key.
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