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

Learners view animations showing how a time-of-flight flowmeter uses ultrasonic sound waves to measure the flow of a liquid.

Learners view a horizontal curve and mouse over the diagram to read descriptions of its components and related equations.

In this learning activity you'll practice solving for the total resistance of series-parallel DC circuits.

In this learning activity you'll examine how electronic converters convert between analog voltages and proportional digital signals.

Learners examine the function of the analog wattmeter to measure true power, how it is connected in a circuit, and how the internal components develop a measurement. A brief quiz completes the activity.

In this learning activity you'll practice converting between hexadecimal and decimal and between hexadecimal and binary numbers.

Students read information about basic logic gates including the gates' names, symbols, Boolean expressions, pronunciations, and truth tables. They then complete a matching exercise.

Students answer 10 questions in a sample exam. This exercise covers number systems, number conversion, logic gates, and combinational design. Feedback is provided.

Explores the gender digital divide occurring within society.

Are you an AWESOME Digital Citizen? Answer the questions correctly about being a digital citizen.

Basic Internet concepts for kids

Vocabulary