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KILL THE MOSQUITOES OR KILL THE CHILDREN(Author: Berdera, Valentin Conde)

Introduction

1. Silent Spring, a book by Rachel Carson started the public awareness ofenvironmental problems with toxic chemicals such as DDT. There is a lot of

controversy about DDT because science has proved it to be a very usefulchemical as well as being toxic and detrimental to the environment. Currently,DDT is up for a debate once again. You need to determine whether or not DDTshould be banned worldwide. You will design a brochure that will providerelevant and significant information about pesticide and DDT and their impact tothe environment.

II. ObjectivesBy the end of this activity, you will be able to:

1. Define what pesticides are.2. Give examples of pesticides, their specific uses, and the health effects ofusing these pesticides.

3. Give the chemical nature of DDT.

4. Discuss the effects and uses of DDT.

5. Give the benefits and limitations in using DDT.

6. Discuss the nature of malaria and its prevention from acquiring it.7. Evaluate the environmental impact of pesticides8. Design a brochure that will provide relevant and significant information aboutpesticide and DDT and their impact to the environment.

III. Your taskYour team has been tasked by the DLS-CSB administration to help educate theCSB community about the uses of pesticides and its impact to our environment.

As a team, you are to conduct research to incorporate necessary information onyour expected output which is a brochure. Your group has to design a brochurethat will provide relevant and significant information about pesticides and itsimpact to the environment. This brochure will be distributed to the CSBcommunity to serve as campaign material in educating them about pesticides.

IV. Leader of each group should designate the following roles: chemist,environmentalist, economist, and lay-out artist.

The Chemist will research on the physical and chemical properties of pesticides

The environmentalist will research on the impact of pesticides to our environmentand draft a simple environmental assessment.

The economist will research on the economic importance of pesticides, includingthe specific livelihood relying heavily on the use of pesticides.

The lay-out artist will design the brochure based on accurate inputs fron his/herclassmates.

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All members of the team will work together to finalize the content and lay-out ofthe brochure.

Share your information with your teammates and come up with a brochure withcondensed information that answers all the questions found in the INQUIRY ANDANALYSIS part.

V. INQUIRY AND ANALYSISTo help you achieve the objectives, you will need to answer the questions below.

1. What are pesticides?2. What are examples of pesticides, their specific uses, and the health effects ofusing these pesticides?3. What is the chemical nature of DDT?4. What is DDT used for?5. What are the benefits and limitations in using DDT?6. What is malaria, how do you get it, how do you prevent it?

VI. EVALUATIONYour brochure will be evaluated using the rubric ON THE NEXT PAGE

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BROCHURE RUBRIC

CATEGORY 4 3 2 1WritingOrganization

Each section inthe brochurehas a clearbeginning,middle, and end

Almost allsections ofthe brochurehave a clearbeginning,middle andend.

Most sectionsof the brochurehave a clearbeginning,middle and end

Less than half ofthe sections ofthe brochurehave a clearbeginning,middle, and end

Spelling andProofreading

No spellingerrors remainafter oneperson otherthan the typistreads andcorrects thebrochure.

No more than1 spellingerrorsremains afterone personother than thetypist readsand correctsthe brochure.

No more than 3spelling errorsremain afterone personother than thetypist reads andcorrects thebrochure.

Several spellingerrors inbrochure.

Writing-Mechanics Capitalizationand punctuationare correctthroughout thebrochure

Capitalizationandpunctuationare correctthroughoutthe brochureafter feedbackfrom an adult.

There are 1-2capitalizationand/orpunctuationerrors in thebrochure evenafter feedbackfrom an adult.

There are severalcapitalization orpunctuationerrors in thebrochure evenafter feedbackfrom an adult.

Content accuracy All statementsin the brochureare accurate

99-90%statements inthe brochureare accurate

89-80%statements inthe brochureare accurate

Fewer than 80%statements in thebrochure areaccurate

Attractiveness andOrganization

The brochurehasexceptionallyattractiveformatting andwell-organizedinformation

The brochurehas attractiveformattingand well-organizedinformation

The brochurehas well-organizedinformation

The brochuresformatting andorganization ofmaterial areconfusing to thereader

Graphics/Pictures Graphics gowell with thetext and there isa good mix oftext andgraphics.

Graphics gowell with thetext, but somany thatthey distractfrom the text.

Graphics gowell with thetext, but too fewand thebrochureseems textheavy

Graphics do notgo with theaccompanyingtext or appear tobe randomlychosen.

PBL adapted from:Berdera, Conde Valentin. 2006. Courseware on Natsc 11 (Environmental Chemistry)