Three Phase Wye Transformer Calculations
By James Bourassa
In this interactive object, learners follow steps to find phase voltages in a partial three-phase power distribution circuit.
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.
Transport Processes Requiring ATP
By Barbara Liang
In this animated object, students observe how ATP energy is used to move substances across the cell membrane from an area of lower concentration to an area of higher concentration and when something too large needs to get in or out of a cell.
Calculating DC Values of a Transistor Amplifier
By Terry Bartelt
In this animated activity, learners view the seven steps that are used to calculate voltage and current values throughout a common-emitter transistor amplifier.
Series-Parallel DC Circuits Analysis
By Patrick Hoppe
Learners follow a methodical approach for the dc analysis of series-parallel circuits.
Voltage Divider Rule (VDR)
By Terry Fleischman, Patrick Hoppe
Students review the Voltage Divider Rule and work practice problems.
How to Read a Caliper
By Barbara Anderegg
In this interactive object, learners review how to read a caliper. They then test their skills with eight practice questions.
The Endocrine Hormone Game Show!
By Ramona Rasmussen
Learners answer questions from a game board with the headings "Pituitary," "Thyroid," and "Adrenal." Up to three people can play at one time. Contestants "buzz in" their answers to accumulate points.
By Carrie Thompson
In this highly interactive and animated object, learners complete three exercises to identify the cranial nerves and their functions.
Biomolecules - The Lipids
In this animated object, learners examine neutral fats, phospholipids, and cholesterol. The molecular formula and general function for each are shown.
The Superposition Theorem
The superposition theorem is explained as it relates to dc circuit analysis. Examples are given.
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.
Reading a Micrometer
By Sue Silverstein
In this learning activity you'll practice reading a micrometer.
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.
By Wendy Dusek
In this highly animated and colorful object, learners examine the steps of carbohydrate digestion. A brief quiz completes the activity.
Weight - Volume Relationships: Water (Moisture) Content
By Steve Whitmoyer
This interactive learning object demonstrates how the moisture content is determined for a given sample of soil or aggregate.
The Electrostatic Charge of a Capacitor
In this animated activity, learners examine the conversion of electrical energy into an electrostatic charge within the dielectric material of a capacitor.
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.
Learners examine the Karnaugh map for a three-variable system. Several examples are given.
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.
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.
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 Axial Skeleton: The Skull and the Rib Cage
In this animated object, learners examine the eight cranial bones, the fourteen facial bones, and the ribs.
Basic Symbols Used in Engineering Drawings
By Kelly Curran, Glenn Sokolowski
Learners examine the drawing symbols used for counterbore, countersink, spotface, radius, diameter, and depth. In the quiz that completes the activity, they associate these symbols with machining applications.