An Algebraic Word Problem Involving Motion: Case 2
By Kevin Ritzman
In this animated object, learners use an algebraic formula to solve the following problem: An airplane travels a certain distance with the wind in the same amount of time that it takes to travel a shorter distance against the wind. Given a constant wind speed, what is the speed of the plane without a wind?
The Perception Process (Screencast)
By Mary Brignall
In this screencast you'll define how perception influences your world view and learn the elements of the perception process.
Converting Values in Engineering Notation
By Ron Wallberg
The learner will convert various values to engineering notation.
Moles
By Jill Larson
In this animated object, students are introduced to moles as a measurement.
Perception- Believing Is Seeing
By Carol May
In this learning activity you'll view a library of figures demonstrating various concepts in visual perception.
Oxidation-Reduction Reactions
By Debbie McClinton, Dr. Miriam Douglass, Dr. Martin McClinton
Learners examine the meaning of oxidation, reduction, and half-reaction, and watch a film showing the deposition of copper metal from the reduction of copper (II) ion by aluminum. A brief quiz completes the activity.
Perception - Understanding the World Around You
By VickyWeiland
Learn the definition of perception, its process and how it affects communication
The Normal Distribution
By Jolene Hartwick
In this learning activity you'll explore normal distribution and enter values for the mean and the standard deviation of normally distributed data and observe the resulting changes in the shape of the normal curve.
Red Blood Cells
By Barbara Liang
In this animated and interactive object, learners examine the red blood cell's life cycle and function. A brief exercise completes the activity.
Phagocyte Chemotaxis
By Carol Parent-Paulson
This animated object illustrates the events leading to the migration of phagocytes into areas of tissue damage and/or bacterial presence. Learners view bacterial cell phagocytosis, its subsequent enzymatic digestion, and exocytosis.
Converting Numbers from Standard Form to Engineering Notation
Learners convert a number from standard form to engineering notation.
The Three States of Matter
By Dr. Miriam Douglass, Dr. Martin McClinton
In this animated and interactive object, learners examine the properties of liquids, solids, and gases.
Antibiotic Susceptibility
By Elizabeth Yoon
In this learning activity you'll investigate the interaction of antimicrobial therapies and host defenses in eliminating an infection.
Solving Trade Discount Problems (Screencast)
By David Nunenkamp
In this screencast, learners follow a step-by-step process to solve trade discount problems.
Interest Groups: Civil and Constitutional Rights
By Therese Nemec, Nancy McFadden, Deb DeRosso, Mike English
Students read about the different kinds of civil/constitutional rights interest groups and answer multiple-choice questions.
Naming Binary Ionic Compounds Containing Variable Oxidation State Cations (Screencast)
Roman numerals are used to identify the charges on metal cations having multiple oxidation states. Five examples are provided for practice.
Unit Conversions
In this animated and interactive object, learners follow two rules to write unit conversion fractions.
Mechanism / Ballpoint Pen
By Terri Langan
In this learning activity you can practice writing a technical descriptions of a pen.
Subject / Verb Agreement - Exercise 1
By Rosie Bunnow
In this learning activity you'll complete exercises matching subjects and verbs in number.
Ratios and Proportions
By Allen Reed, Douglas Jensen
In this interactive object, learners simplify ratios and solve problems using proportions. All terms are defined.
Host Defense
By Kristine Snow, Judy North
The student categorizes defense mechanisms as specific or non-specific.
Carbohydrate Digestion (Screencast)
By Wendy Dusek
In this screencast, learners examine the steps of carbohydrate digestion.
Evaluate Your Stress Journal
By Kathy Lich
In this learning activity you'll evaluate your stress journals by responding to questions to identify potential stressors of their future careers and personal lives.
The Fungi Kingdom: Common Characteristics of Fungi
Learners examine what defines a fungus and read how fungi differ from animals and plants.
Summary of Energy Yield During Cellular Respiration
By Becky Polk-Pohlman
Learners review a graphic summary of the three series of reactions that occur during cellular respiration and the net energy (ATP) yield of that process.