In this interactive object, learners sort veterinary muscle function medications into categories.

In this learning activity you'll identify various types of unshielded twisted pair cables and their networking connectors.

Students study the concept that the voltage drop across a series circuit resistor is proportional to its resistance. They then complete a brief quiz.

Learners view step-by-step instructions for how to set up and sharpen a drill bit in the Darex drill grinder, model SP2000.

This document provides a list of shop safety rules.

Learners identify nine glands in a matching exercise.

Learners read about the role of water, the basic physiology of water balance, and the effects of dehydration particularly on elderly clients. Tips for maintaining proper hydration are presented. In an interactive exercise, students calculate how much fluid a client needs based on his/her age, health, and weight.

Students examine the operation of synchronous and asynchronous inputs on a JK Flip-Flop.

Students read how to lock a cell that is being referenced in a formula so that it does not automatically show an increment when the formula is copied.

Learners view an animated explanation of why an adjustment of the output voltage by an AC drive is required to maintain a constant torque as the frequency is varied.

Learners review normal conditions that are associated with aging. Changes are highlighted in the cardiovascular, musculoskeletal, respiratory, gastrointestinal, urinary, reproductive, endocrine, nervous, and sensory systems.

In this animated object, learners examine how the sensory, motor, mixed, and reflex nerves work in the human body.

Learners examine how CEC, base saturation, and soil pH work with each other to define plant nutrient availability.

Describe the inverting op-amp configuration and calculate the circuit gain.

In this animated object, learners examine the operation of a zener diode in the forward and reverse bias conditions. A quiz completes the activity.

In this animated learning object, students view the operation of an oscilloscope that is used to measure AC voltages. A brief quiz completes the activity.

In this animated object, students view an explanation of how current, voltage, and the charge on a capacitor of a series RC circuit change during five time constants. A short quiz completes the activity.

In this interactive object, learners practice their 3D visualization skills by identifying the correct isometric view of an object. Front, side, and top orthographic views are shown.

In this learning activity, you’ll explore the characteristics of common, carbon steel shielded metal arc welding electrodes, which fall under American Welding Society specification A5.1.

In this learning object, you’ll explore what tools should be a part of every welding tool bag.

Explore how to use an evidence bag including how to open it, place items inside, and seal it for the crime lab.

In this interactive object, learners read the common abbreviations used in engineering drawings and then test their knowledge in three short exercises.

This learning activity describes the definition, the uses, and the terms associated with a blog.

Students look at the power dissipated by a single gate and by an IC. The concept of average current draw is introduced and examples are provided.

In this learning activity you'll practice using the 4-input truth table.