In this screencast, you'll examine writing a sentence outline using complete sentences for headings, subheadings, main points, and subpoints.

In this activity, we will explain the mechanics of site structure and the role it plays in search engine optimization.

In this interactive object, learners identify run-on sentences, comma splices, and sentence fragments.

Learners identify the parts of speech by following a certain order until each word in a sentence is labeled. In a variety of exercises, learners practice finding verbs, prepositional phrases, subjects, nouns, pronouns, adjectives, adverbs, and conjunctions.

In this screencast, the learner identifies the kidney's internal and external structures.

In this animated object, learners examine the various connective tissue layers of the muscle organ. The terms "prime mover," "synergist," "antagonist," "origin," and "insertion" are defined.

In this interactive and animated object, students distribute the valence electrons in simple covalent molecules with one central atom. Six rules are followed to show the bonding and nonbonding electrons in Lewis dot structures. The process is well illustrated with eight worked examples and two interactive practice problems.

Learners study the process used to diagram sentences, and then work through numerous exercises to test their knowledge.

In this animated object, learners examine the chemistry behind table salt.

In this interactive object, learners read about words that give information about another word in a sentence. Students also practice placing modifiers in sentences in drag and drop exercises.

This learning activity explains how site structure and organization can have a positive effect on optimization and driving traffic to your website.

In this learning activity you'll assemble the components of a prokaryotic cell and match the names and functions with each structure.

In this animated activity, learners examine nanotechnology applications that are based on cell membrane structure and function.

In this learning activity you'll review the structure and function of the different tissues of the human body.

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

In this screencast, students read about the basic organization and structure of the periodic table of elements. Students identify elements as belonging to a group, a period, or neither.

In this animated and interactive object, learners examine the structure and functions of granulocytes and agranulocytes. Two exercises complete the activity.

In this colorful and interactive object, learners examine the structure and function of muscle and connective tissues. A quiz completes the activity.

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

In this animated object, learners examine the structure and function of intracellular and extracellular fluid. They also read about the most common electrolytes in the body and complete a matching exercise to test their knowledge.