The learner watches and listens to an animated scenario of a mother and daughter preparing dumplings for dinner. The dialogue is in Mandarin Chinese, and an English translation appears on the screen. Extra vocabulary words related to food preparation are also presented.
Learners study the interaction between the conductors of the stator and the armature inside a DC motor, which causes the shaft to rotate. A short quiz completes the activity.
Weight-Volume Relationships: Saturated Unit Weight
Students read how to determine and calculate the saturated unit weight for a given sample of soil or aggregate, based on the weight-volume relationship. Practice problems complete the activity.
The Formation of Ester Bonds in the Synthesis of Lipids
In this animated object, learners examine the formation of ester bonds in the synthesis of lipids using triglyceride biosynthesis as an example. Ester bond formation is described as a dehydration synthesis reaction.
In this interactive object, learners follow step-by-step instructions for reducing algebraic fractions so that they can then be multiplied. This activity has audio content.
In this learning activity you'll review how an OR gate operates using a truth table, a Boolean Algebra equation, a switch analogy, and a written statement.
Learners follow an EMT response to the home of an elderly man. The patient complains of having difficulty breathing. In this detailed activity, learners examine response procedures, resources, and medications.