Basic DC Electrical Motor Construction
By Terry Bartelt
Learners examine the internal parts of a DC electrical motor and then text their knowledge in a drag-and-drop exercise.
Print Reading: An Alphabet of Lines in Print Reading
By Kelly Curran
In this animated activity, learners read about the types of lines found on blueprints. A quiz completes the activity.
The Basic Operation of a Diode
In this interactive and animated object, learners examine the operation of a semiconductor diode when it is forward and reverse biased. A brief quiz completes the activity.
AC Voltage Conversion Problems
By John Rosz, Terry Bartelt
Learners work problems to make conversions between RMS, average, peak, and peak-to-peak AC voltages.
Anatomy of the Lungs
By Ann Jadin
Learners examine the anatomical parts of the lungs.
The Edison Wire System
Learners read a description of the wiring configuration of a residential Edison Wire System, which consists of a transformer secondary circuit. The circuit supplies two 115-volt sources and one 230-volt source.
The Axial Skeleton: The Skull and the Rib Cage
By Barbara Liang
In this animated object, learners examine the eight cranial bones, the fourteen facial bones, and the ribs.
The Organization of the Human Body: Body Cavities
In this interactive object, learners examine the locations of major body cavities and their protective membranes. A drag-and-drop exercise completes the activity.
What Is Electricity?
The learner studies how electrons travel from one atom to the next. Examples demonstrate how voltage is created by the use of a battery or through magnetism. A quiz completes the activity.
A Drill for Converting Binary Numbers to Decimal Numbers
By John Rosz
Students test their skill at converting binary numbers to decimal numbers. Immediate feedback is provided.
Selecting a Proper Single Phase Transformer
By Gary Lindell, Terry Bartelt
Students follow the steps that are required to select a transformer with the proper ratings. Voltage, frequency, current, and KVA are considered.
ABG Interpretation: Partially and Fully Compensated Conditions
By Marilyn Misurek, MSN, ANP
In this interactive object, learners review case studies and identify complex arterial blood gases.
The K-Shell Absorption Edge: A Close-Up Look at Radiography
By Amber Schuck
In this lesson on atomic structure, learners examine how the binding energy of electrons affects light production in certain phosphors used in x-rays.
EMT Basic Refresher: Patient Scenario #2
By Tim Sheehan
Learners follow an EMT response at a nursing home involving a patient who complains of having difficulty breathing. In this detailed activity, learners examine response procedures, resources, and medications.
By Patrick Hoppe
Learners examine the Karnaugh map for a three-variable system. Several examples are given.
Hydraulic System Pressure
In this animated activity, learners observe how pressure values throughout a hydraulic system are developed based on pump pressure and the size of the load.
Fundamentals of a DC Motor
Learners study the interaction between the conductors of the stator and the armature inside a DC motor, which causes the shaft to rotate. A short quiz completes the activity.
The Semiconductor Diode
In this interactive object, learners examine the PN sections of a diode and the diode's forward- and reverse-biased operations. A brief quiz completes the activity.
Total Resistance in a Parallel Circuit
The learner will apply the three formulas used to find the total resistance of three types of parallel resistor circuit configurations.
The DC Shunt Motor
Learners examine the operation of a DC Shunt motor and its characteristics. A quiz completes the activity.
By Wendy Dusek
In this highly animated and colorful object, learners examine the steps of carbohydrate digestion. A brief quiz completes the activity.
Calculating Lengths for Tube Bending
By Dave Hoffman
The learner reads an explanation of how to determine lengths for tubing and pipe bending and then performs calculations in an interactive exercise. Two methods for determining angle bends are shown. A calculator is required.
Building Medical Terms for the Digestive System
By Patricia Cline
In this interactive object, learners read the definitions of prefixes and suffixes that relate to the digestive system. In a drag and drop exercise, the learners combine word components to form medical terms.
P&ID Tag Numbers
Learners study the types of information letters and numbers placed inside general piping and instrumentation diagram symbols.
In this animated activity, learners study how the magnetic field of an armature can distort the DC motor's main magnetic field. A brief quiz completes the object.