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Learner-centered science teaching begins with the stories of learners. Knowing our students, and thereby crafting lessons that account for their interests, experiences, and ambitions, can make science teaching vastly…
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Using the Laboratory to Enhance Student Learning
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Typical hands-on, cookbook laboratory experiences do an extremely poor job of making apparent and playing off students’ prior ideas, engendering deep reflection, and promoting understanding of complex content. This…
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Using Assessment to Help Students Learn
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Assessment in the classroom is more than tests and quizzes on Friday. It is an everyday feature of classroom life. Students and teachers use assessment, for example, when they gauge the quality of a response to a…
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Two natural forces are continuously at work on the landscape—the forces of destruction and the forces of construction. In locations of destruction, the material that is lost through natural events must go somewhere else…
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This section introduces students to the animals that depend on soil. In addition to studying the animals students can see, introduce them to Earth's vast invisible life—the billions of microscopic organisms, such as…
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Soil erosion can be caused by water or wind. Although undetectable at first, the natural process of erosion from water and wind can lead to significant soil losses from agricultural and urbanizing land. In this section…
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Soil is the solid material on Earth’s surface that results from the interaction of weather and biological activities with the underlying geologic formation. Soil is produced from broken down rocks, organic matter (…
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Because you are reading this book, we are going to make the bold assumption that you’re interested in creating, improving, or solidifying a formal-informal partnership in science education. In this chapter, you will…
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The Standards vision guides the discussion in this chapter on science teaching standards for the postsecondary level. The discussion centers on the importance of goal setting, designing experiences to meet students’…
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One of the reasons for studying toxicology at the high school level is its relevance to everyday life. On a daily basis we are confronted with news reports about toxic chemicals in our food, water, and environment. How…
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Toxicity indicates how poisonous a substance is to biological organisms. To measure a chemical’s short-term toxicity, scientists carry out something called a “dose/response” study. The word dose refers to the total…
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Introduction to Watershed Dynamics
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The title of this book, Watershed Dynamics, refers to the idea that streams, rivers, lakes, and other water bodies are dynamic systems, continuously changing in many ways—physically, chemically, and biologically. Have…
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Imagine metal eyeglass frames that you can roll in a ball, only to watch it uncoil back to its original shape! How can an inanimate object, such as metal, do such a thing? There is a metal alloy that can do just that…
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Socks that don’t stink, graffiti-resistant paint, windows and sunscreen that reject UV rays… that’s nanotechnology. Students will learn about some of the latest inventions using nanotechnology by exploring actual…
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Nanotechnology has opened the door for medical applications that work at the molecular level to diagnose, treat, and prevent disease. This investigation models one approach to treating cancer that uses gold nanoshells…
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