In this learning activity you'll review how a short affects current flow and voltage in a series circuit.

In this interactive object, learners calculate a centroid of a composite area by first creating a chart. A short quiz completes the activity.

In this animated object, learners examine a closed-loop feedback system that uses digital circuits to control the position of a gear rack.

In this animated object, learners examine formulas for displacement and velocity ratios. They also view examples and calculate velocity and the velocity ratio.

In this learning activity you'll explore how units in the metric system are related to each other and practice locating measurements on a metric line.

In this learning activity you'll practice converting from one metric unit to another.

Learners read the definitions of working capital, current ratio, quick ratio, return on equity, accounts receivable turnover, and inventory turnover.

Students solve problems on the determination of total inductive reactance of series-parallel inductors.

Students solve problems on the determination of total capacitive reactance of series-parallel capacitors.

Comprendre l'essentiel des courants océaniquesVocabulaire français.

Solve an area or perimeter problem to place an X or O on the board! If your answer is correct, click the empty square where you want to place your X or O. Beat the computer by getting 3 in a row!

Introduction of transistor

Terms on Connected Graphs and Euler Paths