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Modeling Mendel's Pea Experiment
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This modeling activity allows learners to discover for themselves what Mendel uncovered in his famous pea experiments.
lambda DNA Fingerprinting Simulation
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The purpose of this lab activity is to demonstrate (through simulation) how DNA fingerprinting (or DNA profiling) might be used to solve a crime.
Modeling Limits to Cell Size
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This investigation provides learners with a hands-on activity that simulates the changing relationship of surface areas-to-volume for a growing cell.
Pesticides and Eggshell Thinning
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This lab activity is about toxic substances like pesticides and their effects on biological systems. The activity starts with an introduction of how birds sequester calcium to make an egg.
Membrane Permeability with Beets
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In this lab exercise, learners explore diffusion, cell membranes and particle size using beets and three alcohols.
Clean Water: Is It Drinkable?
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In this activity, learners simulate nature's water filtration system by devising a system that will filter out both visible and invisible pollutants from water.
Beginning Statistical Inquiries into the Scientific Method: Jelly-Side-Down
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This activity allows learners to explore the scientific method in an open-ended fashion, using the 4-P Approach to Science Inquiry developed by the University of Wisconsin, Beloit.
Collaboration via Slime Mold
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In this highly collaborative activity, learners design and complete a controlled experiment which attempts to answer a simple question about the slime mold Physarum.
Mussel Your Way Through Photosynthesis
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Using zebra mussels (Dreissena polymorpha), elodea and an indicator dye, learners study the role of light in photosynthesis.
Designer Seeds
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In this activity, learners will examine a variety of seeds, describe them, and determine how they are dispersed.
Enzyme Action
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In this activity that can be used as a lab or demonstration, learners use Lactaid® and lactose to demonstrate the concept of enzyme action.
How Our Environment Affects Color Vision
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In this lab (Activity #1 on page), learners explore how we see color.
Biological Succession in a Microecosystem
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This laboratory activity helps learners understand the concept of biological succession by simulating the process in a microenvironment with various protozoans.
Herbal Medicines
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In this open-ended multicultural lab activity, learners investigate the effectiveness of herbal remedies.
Food Forensics: A Case of Mistaken Identity
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This lesson is designed to serve as an introduction to the immune system. It can stand alone or it can lead into further studies of the immune system.
Investigating the Uses of Backyard Bacteria
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The purpose of this lab is to recognize that the answers to some of society's industrial challenges may lie right in our own backyards.
Diffusion & Osmosis with Data Analysis
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This three-part lab helps learners understand the essential principles governing diffusion and osmosis.
Chemical Methods of Control
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In this lab, learners evaluate the relative effectiveness of various chemical substances (i.e. garlic powder, bathroom cleaner, mouthwash, etc.) as antimicrobial agents.
On the Microbe Trail: An Introduction to Bacteria and Aseptic Technique
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In this series of exercises, learners predict the conditions necessary for bacterial growth, test their predictions and at the same time practice the aseptic techniques and safety procedures needed wh
Determining the Amount of Transpiration from a Schoolyard Tree
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In this activity, learners calculate the number of milliliters of water a nearby tree transpires per day.