The Superposition Theorem
By Patrick Hoppe
The superposition theorem is explained as it relates to dc circuit analysis. Examples are given.
Test your skills at reading a ruler.
Stages of Labor and Delivery
By Kathy Costa Lieberthal
In this interactive object, learners read the characteristics of each stage of labor and delivery. They then identify the stages in a multiple-choice assessment.
Pressure-Reducing Valve Application
By Terry Bartelt, Stephen Schneider
In this animated activity, a drill-and-clamp machine is used to show an application of a pressure-reducing valve. Recommendations on how to properly make pressure adjustments are also provided.
Categories of Acquired Immunity
By Kristine Snow
In this learning activity you'll evaluate the immune response including active, passive, natural, and artificial immunity.
White Blood Cells
By Barbara Liang
In this animated and interactive object, learners examine the structure and functions of granulocytes and agranulocytes. Two exercises complete the activity.
The Care and Use of a Caliper
By Phil Peters
The learner examines the four different ways that a caliber can be used to measure dimensions and distances.
PLC Shift Registers
By Terry Bartelt, Tom Yapp
In this animated activity, learners study how a PLC performs a shift operation. The learning object covers data movement, data entry, PLC wiring, PLC shift register introductions, and programming for a paint can operation.
Learners view video clips demonstrating acid-fast staining procedures. Correctly stained slides are shown. The learning object includes two matching exercises.
Biomolecules - The Lipids (Video)
By Becky Polk-Pohlman
In this animated object, learners examine neutral fats, phospholipids, and cholesterol. The molecular formula and general function for each are shown.
Classification of Joints
In this animated object, learners examine the different types of joints and their movements.
Shorts Affecting Current in a Series Circuit
By Terry Bartelt
In this learning activity you'll review how a short affects current flow and voltage in a series circuit.
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.
Bloodborne Pathogens: Three Pathogens of Concern
By Terrance Yonash, Jen Bero
This learning object has been created to educate workers about the occupational risks of being exposed to bloodborne pathogens as described in the U.S. Occupational Safety and Health Administration (OSHA) 29 CFR 1910.1030- Bloodborne Pathogen Standard.
Glucose Metabolism for the Endocrine System
In this interactive object, learners read about the seven hormones that help regulate blood glucose. A quiz completes the activity.
Respiratory System Gas Exchange
By Bruce Forciea
In this animated object, learners examine the mechanisms for gas exchange among the lungs, blood, and tissues.
Skin and the Integumentary System
Learners examine the structure and function of skin including the production of melanin.
Schematic Diagram Symbols
In this learning activity you'll review various types of common components used in electronics and view their schematic diagram symbols.
Common Musculoskeletal Fractures
By Jan Schmidt
In this animated and interactive object, learners identify musculoskeletal fractures.
Signed Binary Numbers: 2's Complement
By John Casey, Terry Bartelt
Learners use this interactive and animated object to examine the use of binary numbers in a programmable logic controller. A brief quiz completes the activity.
Transfer Functions: The RL Low Pass Filter
Learners read how the transfer function for a RC low pass filter is developed. The transfer function is used in Excel to graph the Vout. The circuit is also simulated in Electronic WorkBench and the resulting Bode plot is compared to the graph from Excel.
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.
In this animated activity, learners examine the three main segments of a hydraulic system: power supply, control, and output. A brief quiz completes the learning object.
Reading Vernier Height Gage Quiz
By Barbara Anderegg
Students take a 13-question quiz to practice reading 25- and 50-division Vernier height gages.
Chain of Infection
By Diane Cozzi
In this interactive object, learners identify nursing actions that help to prevent the spread of infection.