Learn more about debugging including: what it is, why we use it, and what it looks like in action.

In this learning activity you'll discover what the .NET Framework is, what problems it solves, and how it came to be.

At the end of this lesson you will be able to

- Explain what biosecurity means.

- Describe why biosecurity is important.

- Identify what kinds of disease agents we try to prevent or control with biosecurity.

- Demonstrate disease agent-host-environmental interactions that result in disease.

Learners read about the most common forms of financial statements including balance sheets, cash flow statements, and profit and loss statements. A brief quiz completes the activity.

In this learning activity, you'll examine the different ways in which computers and other equipment are physically connected in local area networks and the advantages and disadvantages of each topology.

In this learning activity you'll explore what scientific notation is and how it's used to express very large and very small numbers.

Explore what sexual harassment is, the three conditions that constitute harassing behavior, and the four levels of sexual harassment.

In this learning activity, you will learn what supply chain management is, four main links that make up the supply chain, and explore examples of how effective supply chain management works.

In this learning activity you'll enter your wage information and learn what a day, an hour, and a minute of their time costs an employer.

In this activity, the learner will understand what denormalization is and when it's an appropriate strategy.

This is a learning object describing what a learning object actually is. This will take us through the definition of a learning object and break down each segment to help clarify the mystery of this wonderful online tool for teaching and learning.

In this learning activity, we’ll learn what an algorithm is.

Learners study an animation that shows how a battery charge reduces over time and when varying resistance values are placed in a series circuit. Ten review questions complete the activity.

In this learning activity you'll examine how database normalization eliminates redundancy and helps maintain consistency within a relational database.

The learner studies how electrons travel from one atom to the next. Examples demonstrate how voltage is created by the use of a battery or through magnetism. A quiz completes the activity.

In this learning activity you'll read about the 12 million refugees in the world, from what countries they come, and what countries give them refuge. Learners locate some of these countries on maps in an interactive exercise.

In this learning activity, you'll explore what malware is, what the different types of malware are, and how you can protect your computer from these threats.

Learners practice techniques to remember names when being introduced to people. This activity has audio content.

This interactive learning object updates students on the former country of Yugoslavia. A map is included.

Learners read about the strengths and weaknesses of this Web communication tool.