In this learning activity you'll review the differences between identification, authentication, and authorization.

In this learning activity you'll calculate problems using the negative both inside and outside of the parenthesis.

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

As a welder, you'll need to know how to convert between standard and metric measurements. Try this activity to practice converting between these two measurements. A conversion chart is provided to help you complete this work.

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.

Learners examine the fundamental operation of a difference operational amplifier. A brief quiz completes the activity.

In this screencast, you'll distinguish the differences between the content message and the relational message.

This learning object assesses the learner's ability to recall the names and locations of the parts of a drill press. This assessment includes drill press type identification.

In this animated object, learners examine the relationship between pressure and temperature in an air conditioning system.

Learners read work instructions and view a drawing for turning between centers on a lathe.

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.

This screencast will help the student identify normal blood cells and their functions. This will include the identification of red blood cells, five types of white blood cells, and platelets.

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

In this learning activity you'll factor problems using the difference of two perfect squares.

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

The student takes a quiz on lathe operations between centers.

The student takes a quiz on identification and operations of an engine lathe.

Line Type Identification