In this screencast we are introduced to the lab equipment used to contain and dispense chemicals.

In this animated activity, learners explore three major methods of heat transfer and practice identifying each.

In this animated learning object, students examine the life cycles of a virus.

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.

Learners read about lab equipment and basic safety measures. In a quiz, they view photos and determine if the lab technicians pictured are using safe practices.

In this screencast, learners examine the kinds of physical and chemical changes that occur in substances.

In this learning activity you'll explore the food pyramid and the recommended services.

Students practice identifying common elements from the periodic table by name or symbol.

By the end of this module, you'll be able to:

- Identify actions that can reduce biosecurity risk

- Develop a biosecurity action plan for a farm

- Select the most cost effective strategies

In this screencast, we review the positions of metals, metalloids, and nonmetals in the Periodic Table and the general characteristics of each.

In this module, you'll be able to :

- Identify five routes of infection

- Describe how diseases are transmitted in animals

By the end of this module, you’ll be able to:

- List four categories of disease agent sources

- Discover conditions when disease transmission is likely to occur

- Describe the means of disease transmission in a given situation

In this learning activity, you'll explore the basics of prototyping for user experience design.

In this video, learners view the parts of an animal cell and its organelles.

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

Viewers watch an introduction to monosaccharides, disaccharides, and polysaccharides. The processes for dehydration synthesis and hydrolysis.

Learners examine how melting, vaporization, and sublimation require energy input while freezing and condensation release energy.

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 object, learners examine the locations of major body cavities and their protective membranes. A drag-and-drop exercise completes the activity.

In this screencast, learners examine the steps of carbohydrate digestion.