Learners investigate the heart beat of zebra fish in timed intervals. They record the heart beats and average three counts to display in their data tables. They repeat these steps increasing the adrenaline solution.

Learners investigate the relationship between pitches and notes. For this musical pitches and notes lesson, students use different sized bottles, water, and sugar to demonstrate different sounds. Learners create musical notes.

Students see that by manipulating sound we can arrange a series of notes referred to as a musical scale. They explain the relationship between pitches and notes. They compare the sounds of different-sized bottles.

In this regulation of the human heart rate instructional activity, students learn to measure their heart rate and design an experiment to test for the affects of a stimulus on the heart rate.

Students examine human blood flow by comparing the pulse of athletes.  In this human body lesson, students discover the equation for finding the cardiac output from a human heart.  Students identify heart rates of accomplished...

The concept of pitch and frequency is covered in this tutorial. Learn what frequency and pitch are, the difference between infra sound and ultrasonic frequencies, and how pitch is related to the frequency of a sound.