In this learning activity you'll examine how electronic converters convert between analog voltages and proportional digital signals.

Learners examine a general approach to solving for the current through, the voltage across, and the power dissipated by each resistor in a series DC circuit. A three-resistor series circuit is used as an example.

In this animated activity, learners follow a step-by-step approach for connecting a digital multimeter to measure resistance. A brief quiz completes the activity.

In this animated learning object, learners read about the proper handling of foods that contain the nutrients and water that bacteria require for growth.

In this interactive object, learners answer nine questions about inductors.

Interactive excercise to age deer by dental inspection.

This learning object will define DNA collection and methods

This learning object introduces the three approximations of a diode.

Thousands of health and beauty products claim to be cruelty free - but do you know how to spot a fake? Test your knowledge and explore the exciting science that's delivering cutting-edge and better alternatives to animal testing in this interactive experience. Make decisions as both a beauty blogger and a research scientist as you navigate animal testing in the health and beauty industry.

In this animated, audio and graphic activity illustration, learners will view design criteria for properly storing property and evidence.

Learners will be able to identify areas within the property room including adjoining work areas, work flow, temporary storage, long-term storage, high profile items, bulk or oversize items, biohazards, hazardous materials, cold storage, administrative area, and release areas.

In this learning activity you'll review a visual overview of depth measurement using the depth micrometer.

The two types of digital devices, logic gates and flip-flops, and the types of basic operations they perform are presented.

Through the use of symbols and words, the learner reviews the etiologies, symptoms, and treatment of respiratory and metabolic acid-base disturbances.

In this animated object, learners examine the operation of a demultiplexer along with the data output and select lines. A brief quiz completes the activity.

Learners examine the electronic components of a digital thermometer.

In this interactive object, learners answer nine questions about series and parallel circuits. Immediate feedback is provided.

In this learning activity you'll examine the software operation Dynamic Host Configuration Protocol (DHCP), which automatically performs TCP/IP configurations.

In this interactive object, learners work 11 problems covering atomic structure, conductors, and insulators.

Learners test their knowledge of demographics in the United States and in the world. Immediate feedback is provided.

In this learning activity we will discuss breakpoints: what they are and how to use them.