PBS
Pbs Nova Online: Amazing Heart Facts
This concise PBS NOVA site contains interesting facts about the heart and how it works.
Science Museum of Minnesota
Lesson Plan Site: Sounds of the Heart
In this site, young scholars investigate the sounds of the heart, construct a stethoscope, and investigate the workings of valves.
Science Museum of Minnesota
Lesson Plan: Keeps on Pumpin'
In this interactive site, students will measure and calculate heart rates and determine the amount of blood pumped by their heart.
Science Museum of Minnesota
Lesson Plan: Pulse of Life
Students measure their pulse rate and explore how heart rate is affected by various activities.
PBS
Pbs Teachers: In a Heartbeat [Pdf]
Apply knowledge of scatter plots to discover the correlation between heartbeats per minute before and after aerobic exercise.