Hydraulic Cylinder Speed
By Terry Bartelt
In this interactive and animated object, learners examine why the piston of a hydraulic cylinder extends slower than it retracts. A brief quiz completes the activity.
In this animated and interactive object, learners examine the interaction between a conductor that represents a motor armature and a magnetic field that represents a motor’s main field. This interaction causes the shaft to turn.
Major Muscles of the Human Body
By Robert Formanek
In this interactive object, learners will match the muscle names to their corresponding locations in the human body.
By Barbara Anderegg
After a brief review, the student solves five practical shop problems using right angle trigonometry.
Basic Pharmacology Terms Matching Game
By Anita Polacek
In this interactive exercise, learners review definitions of 26 terms and then test their knowledge in a matching exercise. Only six terms are included in the quiz; however, if the learner clicks “Restart,” more terms appear in random order.
The Cell Cycle
By Barbara Liang
In this animated object, learners examine the different phases of a cell's life.
Basic Elements of Dimensions Used in Engineering Drawings
By Glenn Sokolowski
In this interactive object, students explore the basic elements and common terms associated with dimensions and leaders. A quiz completes the activity.
An Introduction to the Digital Multimeter
By Patrick Hoppe
In this learning activity you'll explore the functions and proper operation of a digital multimeter.
Designing a Cylinder Dwell Circuit
This animated lesson shows how a ladder circuit uses timer-on delays to cause an extrusion machine to operate.
Three-Phase Delta Transformer Calculations
By James Bourassa
Using a memory shortcut for calculations, the learner determines line and phase values of current in a three-phase AC configuration. Practice problems complete the activity.
Levels of Prevention
By Lucie Cutler
In this interactive object, learners identify a variety of prevention activities as primary, secondary, or tertiary.
Psychotropic Medications and Neurotransmitters
In this animated object, learners examine how psychotropic medications act on neurotransmitter systems to achieve their desired effect.
Operation of Full-Wave Bridge Rectifier
By Matthew Treu
In this learning activity you'll explore the operation of a full-wave bridge rectifier circuit.
Active Region Operation of a Transistor
Learners view the operation of an NPN transistor in the active region.
Twisted Pair Cable Noise Immunity
In this learning activity you'll explore how to reduce electromagnetic interference (EMI) and crosstalk between adjacent wires.
Everyone Knows How to Use a Ruler, Right?
Students review the best practices for using a ruler and answer five basic questions.
The Dial Caliper
Learners review guidelines for the proper use of a dial caliper. Illustrations appear throughout the learning object.
Converting Numbers from Standard Form to Engineering Notation
By Ron Wallberg
Learners convert a number from standard form to engineering notation.
Transformer Practice Problems
Students solve practice problems on voltage, current, and impedance matching. Examples precede the problems.
Muscle and Connective Tissue
In this colorful and interactive object, learners examine the structure and function of muscle and connective tissues. A quiz completes the activity.
How the Brain Develops
By Mary Beth Boettcher
In this interactive learning object, learners study the parts of the brain and then test their knowledge in a drag-and-drop exercise.
What Is Torque?
Learners read a description of torque and study the factors that cause its magnitude to change. A brief quiz completes the activity.
Hematologic Cells and their Functions:
Blood Cell Identification
By Carolyn Byom
This learning object will help the student identify normal blood cells and their functions. This will include the identification of red blood cells, five types of white blood cells, and platelets.
The schematic symbols of logic gates used in digital circuits are shown.
In this animated object, learners examine the operation of a demultiplexer along with the data output and select lines. A brief quiz completes the activity.