This learning object introduces the student to the calculations involved in a sieve analysis -- including percentage retained and percentage passed.

This interactive object is designed to help learners memorize schematic symbols used in hydraulic diagrams. Learners quiz themselves using electronic flashcards.

Learners view the operation of a full-wave rectifier which has two diodes.

In this interactive object, learners work 11 problems covering atomic structure, conductors, and insulators.

Learners work problems to make conversions between RMS, average, peak, and peak-to-peak AC voltages.

Students read how to determine and calculate the degree of saturation for a given sample of soil or aggregate based on the weight-volume relationship.

In this animated object, learners examine the operation of various circuits that are internal to the inductive proximity sensor.

Learners examine the operation of an inductive proximity sensor in this animated object. A brief quiz completes the activity.

Students read about the three main classes of amplifiers and view graphical representations of the collector current and circuit.

Prove you know your Electric Concepts

Check POLARPEDIA.eu for answers. All the questions are polar and STEM related!

Choose the correct answer to gain moves. Match 3 or more vegetables to get the highest score. Good Luck!!!!

Definitions for Project Lead the Way