In this interactive object, learners determine the pulse width, period, duty cycle, and frequency of a waveform.

In this learning activity you'll be introduced to the layout and operation of the solderless breadboard.

Learners view animations showing how to change the connections to cause a DC motor to reverse its rotation. A short quiz completes the activity.

The schematic symbols of logic gates used in digital circuits are shown.

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 a description of how an oscilloscope is used to measure the frequency of a sine wave.

In this animated lesson, learners follow the steps required to read the phase shift difference in degrees between two AC waveforms.

In this animated and interactive object, learners examine how a variable voltage is obtained from a variable resistor that is wired as a potentiometer across a fixed DC power supply.

HTR

Match symbols and construct meaning, we think about what it all could mean? How do writers and directors convey meaning and hint at underlying themes and issues? Lets find out by linking up themes and symbols with meanings and ideas.

You will be matching units that belong to the same quantity

Choice Board