In this interactive object, learners identify the elements of the Windows platform in a drag-and-drop exercise.

In this interactive object, learners read about sampling plans and practice using a sampling table.

Learners examine the current and voltage changes in a series-parallel circuit as the resistance value of a rheostat is varied. Illustrations and calculations are included.

Using the principle of Pascal's Law, the learner will interpret the gauge readings in a hydraulic system to determine when the system is operating properly under various load conditions and when there is a defect.

The learner will use the deceptively simple sine bar to measure angles to minutes or even half minutes.

In this interactive review, learners complete a crossword puzzle containing content related to tobacco use.

In this animated and interactive object, learners examine the red blood cell's life cycle and function. A brief exercise completes the activity.

In this interactive object, learners sort veterinary nervous system drugs into categories.

In this screencast, learners read about the components of a hotel housekeeping staffing guide. They also review calculating labor requirements and costs.

Students complete 10 practice problems.

Students identify the meaning of urinary system word parts to analyze and define medical terms.

In this learning activity you'll complete a job application and learn why each section is important. The option to print has been disabled.

In this teaching and learning aid, the user can alter circuit variables and view how these changes affect circuit voltage, current, reactance, impedance, and phase angle.

Learners read about the S.O.A.P. and D.A.R. formats that are used to document progress notes in medical records. They then match statements to S.O.A.P. and D.A.R. categories in drag-and-drop exercises.

Learners read about the types of clothing considered appropriate for a childcare setting. This activity is designed for students enrolled in an early childhood education program.

Learners study the muscles of the scapula and check their knowledge on each page by identifying the muscles on diagrams and answering a related question about movement.

This animated object illustrates the events leading to the migration of phagocytes into areas of tissue damage and/or bacterial presence. Learners view bacterial cell phagocytosis, its subsequent enzymatic digestion, and exocytosis.

The learner will identify components of a welding robot and determine if the robot is set up correctly to avoid singularity.

Learners convert a number from standard form to engineering notation.

The learner will understand the inner workings of the strain wave gear principle.

In this animated object, learners examine how current, voltage and the discharging capacitor of a series RC changes during 5 time constants. A brief quiz completes the activity.

In this learning activity you'll explore why the FTP protocol is often used to transfer data across the network and more importantly, why it should not be.

In this interactive activity, students read about the colored stripes on a resistor and interpret the placement of those colors to determine the value of four-band resistors.

Students work nine practice problems to determine the total inductance of a parallel circuit. Immediate feedback is given.

Learners view the steps to find the complex conjugate of a number using the TI-83 Plus calculator. They are encouraged to work the examples given.