In this learning activity you'll explore how port scanning is commonly used by hackers to infiltrate a network and how IT security professionals can detect it.

In this learning activity you'll identify TCP and UDP port states and how they behave during interaction.

In this learning activity you'll observe how switches are used in local area networks to increase data transmission speeds.

In this learning activity you'll explore three common network protocols that computers use to communicate in a network.

Learners examine how metal detectors function. This object includes animation and sound.

In this learning activity you'll play "How to Really Be a Millionaire" to learn the basics of accumulating wealth.

In this interactive object, students view the various positions used during medical examinations. They then match the names of the positions with the correct images and with their descriptions.

In this interactive object, learners review how to read a caliper. They then test their skills with eight practice questions.

Learners examine the drawing symbols used for counterbore, countersink, spotface, radius, diameter, and depth. In the quiz that completes the activity, they associate these symbols with machining applications.

In this learning activity you'll explore how computers connected on a network use Ethernet technology.

In this animated object, learners follow an analogy of water flowing through pipes and valves to see how current increases in a parallel circuit as branches are added.

Learners examine how CEC, base saturation, and soil pH work with each other to define plant nutrient availability.

The learner examines what it means to listen respectively and how to become a better listener.

Learners study the effect that pressure has on boiling temperatures. Once a liquid has reached a full boil, additional heat does not raise the liquid’s temperature; however, pressure can vary the boiling point of a liquid. A brief quiz completes the activity.

Robotic welding is an increasingly popular tool used in industrial welding applications. Knowing how to program the robot is key. Explore how to improve your programming skills by using if-then-else, calls, unconditional jumps, and counters in this learning activity.

In this animated object, learners examine three data compare instructions used by programmable logic controllers (PLCs). A practical application to show how these instructions are used in an industrial setting is provided.

In this animated object, learners examine what anxiety is, how it affects people, and ways to manage it.

Learners examine the function of each part of a microscope and follow step-by-step instructions on how to focus on a specimen. They also review the proper use and care of a microscope and test their knowledge in two drag-and-drop exercises.

Learners read how to calculate the MOD number and how it is used.

Learners follow design steps incorporating a bleed, a technique used to allow for inaccuracies in the printing and trimming processes.