In this interactive object, learners solve for total resistance and current, the current through each resistor, the voltage across each resistor, and the power dissipated by each resistor.

Learners read about the concepts of true power, reactive power, and apparent power, and are introduced to the power factor formula. A short quiz completes the activity.

In this interactive object, the learner reads an explanation of how various shielding gases are used in GMAW and FCAW. An exercise completes the activity.

In this learning activity you'll review the historical progression of standards to learn what makes a good standard.

Learners view a vector diagram for a series RC circuit and read information concerning the voltage across each component, the total voltage, and the phase angle.

Learners read about the vector diagram for a parallel RL circuit. This animated lesson presents information on current flow through each branch, total current, and phase angle.

Learners view a vector diagram for a series RL circuit. Information on the voltage across each component, the total voltage, and the phase angle is included.

In this learning activity you'll review various types of common components used in electronics and view their schematic diagram symbols.

In this learning activity you'll review the operation and schematic symbols of various types of switches and push buttons used for electronic circuits.

Solve 1 step equations with addition and subtraction.

Periodic table review

This game has students practicing with equations that have variables on both sides of the equation.

Solve each two-step equation to make your way to the honey pot!