Learners examine dew point and the two types of humidity values, absolute and relative, along with the types of instruments used to measure them. The activity includes a video clip and a quiz.
In this animated activity, learners examine the conductivity of a solution and how its properties affect measurements to determine concentration levels. A brief quiz completes the learning object.
Learners view an animated presentation showing how the pH level of a cleaning solution is controlled in a closed-loop system in a manufacturing setting. A quiz completes the activity.