Created for a 90-minute lessonn plan (could extend into the next lesson block). Students will learn about different abolitionist groups and individuals advocating for abolition prior to the Civil War, as well as analyze four differet abolitionist speeches. After, student will use what they have learned to create their own abolitionist speech. Includes lesson plan, slides, Student Speech Analysis Handout, student instructions, and sample abolition speech.

Students continue to build a rigorous background in human sensors and their engineering equivalents by learning about electronic touch, light, sound and ultrasonic sensors that measure physical quantities somewhat like eyes, ears and skin. Specifically, they learn about microphones as one example of sound sensors, how sounds differ (intensity, pitch) and the components of sound waves (wavelength, period, frequency, amplitude). Using microphones connected to computers running (free) Audacity® software, student teams experiment with machine-generated sounds and their own voices and observe the resulting sound waves on the screen, helping them to understand that sounds are waves. Students take pre/post quizzes, complete a worksheet and watch two short online videos about "seeing" sound.

A student choice board is valuable as students are able to think outside the box and dig deeper as they explore the content. The collaborative learning process encourages the 5 C's. This type of formative assessment encourages the use of multiple modalities and educational platforms as technology is the driver and content is the accelerator.