Learners examine the operation of an orifice plate flowmeter as it is used to make process control measurements. A brief quiz completes the activity.

Learners view animations showing how a time-of-flight flowmeter uses ultrasonic sound waves to measure the flow of a liquid.

In this animated and interactive object, learners follow two rules to write unit conversion fractions.

Learners examine the electronic components of a digital thermometer.

In this animated object, learners examine the operation of a thermal flowmeter used in process control applications. A brief quiz completes the activity.

In this learning activity you'll examine how firewalls block viruses by discussing trusted, semi-trusted, and untrusted networks.

In this learning activity, you’ll discover the difference between a parameter and an argument.

Learners study the theory of operation for a ratio pyrometer that measures temperature. A short quiz completes the activity.