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This unit focuses on properties and functions of enzymes. Students will discover for themselves how enzyme concentration, environmental conditions, and potential inhibitors affect enzymes. The unit is more challenging…
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The process of photosynthesis is the key to life on Earth. In this unit, students will learn to make an enriched chloroplast preparation from spinach leaves. They will measure relative redox activity by mixing them…
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In this unit, students look at the signal transduction pathways that let cells sense and respond to their external and internal environments. The model organism is the free-living unicellular algae, Chlamydomonas…
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In this unit, students explore hormonal regulation of insect development. Students look at fruit flies—Drosophila melanogaster—in various stages in their life cycles and expose larval flies to a range of concentrations…
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In this unit, students learn about the neuromuscular system by dissecting the sciatic nerve and gastrocnemius muscle from the leg of a frog and connecting them to a force transduction apparatus. Then they learn to…
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A Brief Introduction to Inquiry
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When the term inquiry comes up in conversations about science curriculum reform and improvement, it usually is shorthand for inquiry-based learning and, by extension, inquiry-based instruction. But, what exactly is…
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An Outcomes-Oriented Approach to Implementing Inquiry
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This chapter provides a short overview of the process of curricular planning with special emphasis on inquiry-based instruction. It outlines a validated method that curriculum designers and coordinators can use to…
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Assessing Inquiry-Based Instruction
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Assessment encompasses more than just exams and papers. It also involves informally assessing student learning in progress, formally assessing students to determine their learning gains, and assessing whether the…
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Teaching Techniques for Inquiry Labs
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Chapters 1-3 described general principles of inquiry and processes for developing and assessing an inquiry-centered course. This chapter examines the process in greater detail by outlining specific behaviors and…
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Modeling Glacial Features With Sand
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In this investigation, students make a model of the different erosional features of valley and continental glaciers out of sand and determine their impact on topography and hydrology.
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Aquatic Macroinvertebrate Identification
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Everyone is familiar with terrestrial insects such as dragonflies, houseflies, mosquitoes, and beetles, but many of us are unaware that several insects live in the water during their larval stages. These insects are…
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Factors That Affect Eutrophication
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In this investigation, the effects of excess nutrients (nitrate and phosphate) on algae will be examined. An excess of these nutrients can lead to eutrophication in ponds and lakes. Eutrophic lakes typically are shallow…
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This investigation consists of two parts, in which students first model the effects of groundwater contamination and then track the flow of the contamination. However, Part I does not have to be done in order to do Part…
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Glacial Features of a Watershed
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The objective of this investigation is for students to learn how glaciers shaped a watershed.
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This investigation gives students the opportunity to view the outside world and bring science into the field. Teaching students how to identify plants gives them a greater appreciation for nature, just as learning to…
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