In this video you'll study the structure of the cell membrane and construct it using the correct molecules.

Learners read the characteristics of the TTL series. Examples are given and subfamilies are compared.

In this learning activity you'll be introduced to the communication model and how it impacts your work as an IT professional.

In this animated object, learners evaluate oral directions and compose questions to clarify ambiguities. This activity has audio.

In this learning object you'll review color photographs of a Brown & Sharpe Universal Cylindrical Grinder.

Students perform conversions among fractions, decimals, and percentages in this assessment.

In this highly interactive object, learners read client case studies and then select the vaccines that are appropriate to administer.

In this interactive object, learners follow six steps for analyzing a process in a manufacturing setting. This activity includes a drag-and-drop exercise and textboxes where learners post their ideas.

Learners view an animation showing how the volume of a given quantity of gas varies directly with its temperature.

Learners use trigonometry to calculate angular input forces involving Class 2 mechanical levers.

In this learning activity you'll describe the typical components of a data center.

In this interactive object, students examine a type of chemical bond known as the "hydrogen bond."

In this learning activity you'll practice calculating a combined variation problem.

This animated lesson shows how a ladder circuit causes the cylinder of a hydraulic circuit to continuously extend and retract after a Start button has been pressed.

In this interactive object, learners read a case study and consider the signs and symptoms of schizophrenia and the appropriate nursing interventions.

In this learning activity you'll create presentation note cards to use during your speech.

The learner reviews steps in analyzing a process and applies them to a situation in his/her own work or personal life.

Learners identify combination, decomposition, displacement, and combustion types of redox reactions. They also watch a video clip that demonstrates the reaction of sodium and water.

This video will walk through how to calculate speeds and feeds for drilling parts on a milling machine.

In this study guide, we will review the general rules for using prepositions.