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In this problem, students are asked to determine if all the different-color kittens in a litter could be related to the same father. The challenge to students is to use cat coat color genetics to determine if all of the…
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In this chapter, students wonder how burning a log in a campfire compares to eating a marshmallow. This problem focuses on combustion and metabolism of marshmallows. Marshmallows are a food that is mostly sugar and that…
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In this problem, the challenge to students is to determine in what ways are the matter and energy changes in burning wood similar to and different from those in burning food for energy? What are the matter and energy…
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This problem focuses on how the body changes the materials of things we eat into our own tissue. How do animals and plants use food? Why do we not become what we eat? Students often wonder if the saying “you are what…
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Natural Forces of Decay and Renewal
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Through biodegradation, dead plants and animals get broken down and so do the waste products they produce while living. For plants, these waste products include dead leaves and the remnants of seeds and blossoms. For…
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This section covers understanding biodegradation, including biodegradation protocols providing specific instruction on research. The section also provides techniques in interactive research for developing experiments…
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This section outlines possible assessment criteria for student research, as well as example assessment rubrics for posters and written reports. Engaging in peer review provides both opportunities and challenges for…
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Decay and Renewal presents an inquiry-based approach to studying biodegradation, the assortment of biological processes that cause organic matter to decay. Biodegradation occurs in nature and in human-engineered…
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Biodegradation Protocols: Introduction to Research
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This section presents 14 research protocols. Using one or more of these protocols, students will be able to design and carry out their own experiments. Students will also experience some of the ways in which scientists…
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Interactive Research: Experiments and Field Studies
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This section provides advice to help students choose from a wide range of ideas for research projects. It also provides a series of worksheets designed to guide progress through the various steps of designing and…
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Interactive Research: Wastewater Treatment Design Challenge
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When engineers and scientists design systems for wastewater treatment, they must meet certain criteria concerning treatment effectiveness, and they must work within specified constraints such as cost. This section gives…
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Understanding Invasion Ecology: Introduction
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How can a single species of insect pose a threat to millions of acres of forests, orchards, and street trees? What can we do about the Asian longhorned beetle and other plants and animals that invade our farms, cities,…
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Understanding Invasion Ecology
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This section emphasizes one of the three main branches of ecology—population, community, and ecosystem. Extensive, real-life examples of how ecological concepts and principles can be applied to problems with invasive…
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In assessing student research, clearly defined "right" or "wrong" answers rarely exist. Instead, the goal of assessment is to evaluate the process used by students and the conceptual understandings they have achieved…
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Why Ecology of Invasive Species?
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Students may think of ecologists as people who pick up trash and protest for a cleaner environment. In this book, the term ecologist is used to refer to scientists who study ecology—the study of relationships among…
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