Tag: experiment
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Investigation: Heart Rate Challenge and Homeostasis
Engage students with a heart rate challenge lab exploring exercise, pulse rate, recovery time, experimental design, graphing, and homeostasis.
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The Ultimate Lab Report Guide
Teaching students to write a formal lab report can feel… ambitious. Many of them are used to worksheets, short answers, and quick reflections, not multi-page scientific writing. But helping students learn to communicate like scientists is one of the most important skills we can give them. A well-written lab report shows not just what they…
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Lab: How Do Enzymes Work
Explore how enzymes work with this engaging lab. I redesigned this lab with freshman students in mind. The directions are simple. Students drop hydrogen peroxide onto raw liver, and observe the bubbling. The bubbles are oxygen as it is being released in the reaction. The lab handout includes a background section that explains how enzymes…
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Exploring Medication and Bioavailability
Bioavailability is a measure of the rate at which the active ingredient of a drug is absorbed and becomes available. It represents how much and how quickly a drug reaches the bloodstream. In this activity, student explore how medications dissolve in water (or other substances) and enter the blood stream. I created this lab to…
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Use Beets to Explore Membrane Permeability
Students test the effects of pollution on membrane permeability using beetroot cores.
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What Causes Algae Growth in Ponds?
Students examine data on two ponds to determine what is causing the algae growth in the pond near a farm.
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Investigation: Determine Molarity of Unknown Solution
Students determine the mass of water beads after soaking them in solutions. They use the change in mass to determine the molarity.
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Virtual FlyLab (New!)
Virtual fruit fly genetics lab where students can explore phenotypes and genotypes of flies, design experiments, and perform chi square analysis
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Photosynthesis Virtual Lab
This lab was created to replace the popular waterweed simulator which no longer functions because it is flash-based. In this virtual photosynthesis lab, students can manipulate the light intensity, light color, and distance from the light source. A plant is shown in a beaker and test tube which bubbles to indicate the rate of photosynthesis.…