In this learning activity you'll explore and practice the first step in normalizing a database.

In this activity you'll practice designing a table in second normal form.

In this learning activity, you'll be introduced to Third Normal Form and you'll design a table following these rules.

In this learning activity you'll explore normal distribution and enter values for the mean and the standard deviation of normally distributed data and observe the resulting changes in the shape of the normal curve.

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 interactive object, students read about organizing data in a tabular form. A brief quiz completes the activity. This is the first in a series of six learning objects.

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

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

In this animated activity, learners examine the operation of normally open and normally closed valves used in hydraulics. A brief quiz completes the learning object.

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

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.

Users examine ways for students to give feedback to their instructor about what they have learned and what part of the lesson is not clear.

In this learning activity you'll identify and calculate the area under the normal curve specified by given z-scores.

The learner views several animations to study Newton's First Law of Motion, also known as "The Law of Inertia."

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 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.

Learners convert a number from standard form to engineering notation.

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