In this learning activity you'll review safety considerations for persons using a hydraulic iron worker and takes a short quiz.

Learners read a description of the parts of an ironworker and identify them in an exercise.

Users calculate the tonnage required to punch holes in a specific base metal. The formula to be used is provided along with the tensile strength for various metals. A calculator is required.

Learners answer questions about ferrous metals and alloys using a game show format. Immediate feedback is provided.

Users of this learning object evaluate the early online experiences of four hypothetical students and record the lessons that can be learned about what to do and what not to do to create effective online learning environments.

Learners examine how an electromagnet is formed. Animated illustrations show current running through a coil wrapped around an iron core.