It's About Time
Concentrating on Collisions
How important is momentum? Pupils investigate and apply the definition of momentum as they conduct analyses during a series of one-dimensional collisions. They infer the relative masses of two objects by carefully staging and predicting...
Howard Hughes Medical Institute
Seed Dispersal in Tropical Forests
How do seeds get around? It's not like plants can control seed dispersal—or can they? Dig deeper into the amazing mechanisms of seed dispersal observed in tropical plants through interactives, a video, and plenty of hands-on data...
It's About Time
Plate Boundaries and Plate Interactions
How does the Earth continually repair itself? Explore the answer to this question, and others, with a unit on plate boundaries and interaction. Pupils classify the types of movement at plate boundaries and identify the...
Serendip
Carbohydrate Consumption, Athletic Performance and Health – Using Science Process Skills to Understand the Evidence
Should athletes carb load before an event or consume carbohydrates during the competition? Scholars discuss how to set up a hypothesis and experiment to answer a question relating carbohydrates and athletic performance. Then, they read...
Curated OER
Increasing or Decreasing? Variation 1
Your algebra learners analyze the value of an algebraic expression to decide if it will increase, decrease, or stay the same when one variable is changed as the others stay constant. Their collaborative efforts culminate with a written...
Tracy Pendry
Cardiovascular/Circulatory System
Explore the circulatory system with a cardiovascular pump activity that promotes discovery and discussion as class members create a functioning model of the heart. Continue the learning process through a web quest showcasing the...
![Microbes in Action: Classroom Activities: A Swell Lab: Yeast Fermentation [Pdf] Activity](https://d15y2dacu3jp90.cloudfront.net/images/attachment_defaults/resource/large/FPO-knovation.png "Microbes in Action: Classroom Activities: A Swell Lab: Yeast Fermentation [Pdf] Activity")
University of Missouri
Microbes in Action: Classroom Activities: A Swell Lab: Yeast Fermentation [Pdf]
This two-day experiment uses different concentrations of sugar to study the rate of fermentation. Students observe the rate of carbon dioxide gas produced by yeast to infer the rate of fermentation. Lesson plan gives a lab procedure,...