Join-
Book Chapter |
In this unit, students explore how biotic and abiotic factors affect population growth. They explore the effects of competition on growth of different species of molds. Students have actively growing cultures with which…
-
Measuring Biological Diversity
Book Chapter |
Biological diversity is a hallmark of life on Earth. In this unit, students estimate biological diversity in two different aquatic ecosystems. They collect water and bottom detritus from two locations and make field…
-
Designing Scientific Experiments
Book Chapter |
In this unit, students learn about designing sound, testable hypotheses and experiments. A testable hypotheses is one that is stated in a way that makes predictions that can be tested. The goal of the unit is for…
-
Book Chapter |
In a typical Mendelian genetics lab, students cross flies or other organisms of known genotypes, score phenotypes of the offspring, and determine if their results are significantly different from expected phenotype…
-
Book Chapter |
In this unit, students will isolate DNA suitable for sequencing and other analyses. Students use bioinformatics software to find differences between normal and mutant DNA sequences, then use DNA restriction mapping to…
-
Book Chapter |
Enzymes are specified proteins that catalyze chemical reactions in biological systems without being permanently changed or used up. This unit was developed to help students gain a more functional, intuitive…
-
Book Chapter |
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…
-
Book Chapter |
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…
-
Book Chapter |
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…
-
Book Chapter |
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…
-
Book Chapter |
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…
-
A Brief Introduction to Inquiry
Book Chapter |
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…
-
An Outcomes-Oriented Approach to Implementing Inquiry
Book Chapter |
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…
-
Assessing Inquiry-Based Instruction
Book Chapter |
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…
-
Teaching Techniques for Inquiry Labs
Book Chapter |
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…
35800 Results