Students read about the process of hair growth beginning with the joining together of amino acids.
The Peptide Bond
By Eileen Bouchard
In this animated object, learners examine the properties of the peptide bond and how the bond relates to the structure of hair.
pH and Its Basic Principles
By Joan Kornitz
In this animated object, learners view hydrogen and hydroxide ions in a solution. A brief quiz on the basic principles of the term pH completes the activity.
Facial and Head Muscles in Action
Students identify various muscles of the face and scalp and see them in action in this animated activity.
Chemical Hair Bonds: An Assessment
Learners read this review of chemical hair bonds after completing learning objects on the peptide, disulfide, salt, and hydrogen bonds. Students may e-mail their quiz answers to their instructor.
Skin and the Integumentary System
By Barbara Liang
Learners examine the structure and function of skin including the production of melanin.
Basic Types of Dimensioning Used in Engineering Drawings
By Kelly Curran, Glenn Sokolowski
Learners examine the basic types of dimensioning including unidirectional and aligned systems, and linear, aligned, angled, arrowless, chain, datum, chart, tabular, radius, diameter, typical, and reference dimensions.
By Terry Bartelt
This learning activity presents information on how the type of material used for the core material of an inductor affects the inductors value in henries.
By Jared Huss, Sherry Strub
Learners identify the major components of an aircraft and the functions of these components.
The learner constructs a nail and identifies the terms relating to the structures of the nail in a matching exercise.
B2 English Evaluation.
A game to test your knowledge on the most important aspects for the B2 level of English.
Practicing all types of Conditionals.
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