Volume 28, Number 1 (1991)

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Cover - Front Matter - Table of Contents

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Paper Airplanes: A Critical Thinking Model
William Bluhm and Martha M. Kronholm

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Meeting Iowa School Accreditation Standards through STS Science
John B. Cook

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The Wasberg Effect
Thomas H. Vertrees

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Comprehensive Examination in Physics
Timothy Cooney

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Astronomy Bulletin - The 1991 Summer Sky
P. Steven Leiker

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Science Notes - Tall Grass Moon Workshop

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Science Notes - Environmental Issues Instruction Workshop

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Science Notes - New Hands-On Elementary Science Program

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Science Notes - Review: SimEarth, Software for Planet Management
James J. Hungerford

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Science Notes - Review: Pollution: Problems and Concerns
Carl W. Bollwinkel

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Science Notes - Red Lobster Nutrition Education Program

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Science Notes - American Geological Institute Offers Careers Brochure
Stephanie A. Althof

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Science Notes - Onion's Fusible Alloy Sample
Stephanie A. Althof

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Science Notes - Carbon Dioxide Information Analysis Center Offers Booklet on Greenhouse Effect
Stephanie A. Althof

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Science Notes - Fire Ecology Package Available from National Park Service
Stephanie A. Althof

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Science Notes - General Mills Sponsors Nutrition Newsletter

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Science Notes - Newsletter on Teaching Astronomy Available

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Science News - Newsletter Available on Earth Science Education

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Science News - National Middle Level Science Teachers Association
Stephanie A. Althof

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Science Calendar

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Rain Forest Poem
Ryan Bainbridge

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Editorial Office & Staff; Officers, Iowa Academy of Science; Executive Board & Regional Directors, Iowa Science Teachers Section