In this learning activity you'll review definitions of cite, site, and sight and completes practice exercises.

Learners examine the method for calculating the atomic weight of copper from the natural percent composition of each of its two isotopes.

In this learning activity you'll review the steps for calibrating the length of depth micrometer measuring rods.

A use of the CreateJS JavaScript Library to perform a looping animation.

In this learning activity you'll see and hear basic Hmong phrases.

The learner will identify the three steps in the writing process and the elements in each step.

In this learning activity you'll review a conclusion and decide how effectively it summarized a speech. You'll also gain some tips for writing your own speech conclusion.

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

In this highly interactive and animated object, learners complete three exercises to identify the cranial nerves and their functions.

The student reviews definitions of past/passed and completes a practice exercise.

The student reviews definitions of then/than and completes a practice exercise.

In this learning activity you'll construct and label a graph.

In this animated activity, students read directions on how to calibrate a thermometer.

This video illustrates what can happen in a court room when chain-of-custody procedures for collecting evidence are either ignored or not carried out properly.

In this learning activity you'll examine the RG ratings, networking applications, and types of connections for various coaxial cables.

In this interactive and animated object, learners examine open and closed head injuries and the common causes and symptoms related to them.

In this learning activity you'll calculate exponents. You'll practice breaking down exponents and calculating the results.

In this object designed for instructional assistants, learners read about the laws that pertain to student school records. Three case studies are presented and learners write about how they would respond in these situations.

In this learning activity you'll explore a step-by-step process to solve simple free-body diagrams. They identify forces acting in the x or y direction in interactive exercises.

Learners read an explanation of how to connect two 7485 ICs to compare binary numbers by creating an 8-bit comparator. Diagrams and charts are presented.