Search Results


Showing results 1 to 2 of 2

Source Institutions
Add to list Details
In this activity, learners investigate circulation and measure their own your heartbeat. A heart rate, or pulse, is the number of times the heart beats per minute.

1 cent - $1 per student Ages 4 - 11 Under 5 minutes
Add to list Details
Make a copy of the first stethoscope with only a cardboard tube! René Laennec invented the first stethoscope in 1819 using an actual paper tube!

free Ages 4 - 14 5 to 10 minutes