Basic Types of Lines Used in Engineering Drawings
By Kelly Curran, Glenn Sokolowski
In this highly interactive object, learners associate basic line types and terms with engineering drawing geometry. A quiz completes the activity.
The DC Shunt Motor
By Terry Bartelt
Learners examine the operation of a DC Shunt motor and its characteristics. A quiz completes the activity.
AC Voltage Conversions
In this animated object, learners examine the formulas used to convert peak, RMS, average, and peak-to-peak AC voltages. A brief quiz completes the activity.
Gear Ratio Concepts
By James Bourassa
In this animated object, learners examine the concept of gear ratios. The number of teeth, diameters, and velocity relationships are discussed and calculated using linear ratio equations. A quiz completes the activity.
Heart Anatomy Review
By Mary Riebe
The user completes a fill-in-the-blank exercise to review the anatomy of the heart.
The Generation of Alternating Current
This learning object describes the production of an alternating current in a generator with a single-loop armature. An illustration of how a sine wave is produced is shown through animation.
Biomolecules - The Proteins
By Barbara Liang
In this animated object, learners read an introduction to protein structure and function.
Hydraulic Directional Control Valves
In this animated activity, learners examine the operation of hydraulic directional control valves and the internal components that divert the fluid.
Comparing Hydraulics and Pneumatics
Learners examine the differences and similarities between hydraulic and pneumatic systems.
Simple Pneumatic Circuits
Learners examine the operation of five pneumatic animated circuits that use directional control valves, pilot lines, check valves, needle valves, and cylinders.
The Transistor Switch
The learner views the operation of a transistor switching from saturation to cutoff. A brief 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.
DC Current Flow Through a Parallel Circuit
Learners observe current flow throughout the series portion and branches of a parallel circuit. This animated activity includes calculations and a short quiz.
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.
Superficial Skeletal Muscles
By Gerald Heins
Learners read descriptions of the actions of the superficial skeletal muscles and see their locations. A 61-question quiz completes the activity.
By Maribeth Blankenheim
In this animated activity, learners practice listening and counting the apical pulse of adults, children, and infants.
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.
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.
By Barbara Anderegg
In this learning activity you'll examine how a sine bar is used to measure angles.
Transistor Fundamentals: Voltage-Divider Biased NPN Transistor
By Patrick Hoppe
Students view drawings of the dc analysis of a voltage-divider biased NPN transistor.
Calculating Horsepower, RPM, and Torque
By James Bourassa, John Rosz
In this animated and interactive object, learners examine the formula for horsepower and work practice problems.
Converting Between Gray and Binary Codes
Learners follow steps to convert numbers from Gray code to binary code. They then view steps to change binary values to Gray code numbers.
The Primary Flight Controls of an Airplane
By Priscilla Ralls, Jared Huss
In this interactive object, learners experience how the three primary flight controls allow a pilot to determine the motion of the airplane during flight.
The Sense of Sight
In this animated and interactive object, learners read about the parts of the eye. A short quiz completes the activity.
White Blood Cells
In this animated and interactive object, learners examine the structure and functions of granulocytes and agranulocytes. Two exercises complete the activity.