Additional Info

• ID Code: A1-21
• Purpose: Means to show different intervals of time
• Description: A typical mechanical metronome, beats between 40 and 208 clicks per minute. Useful for introducing the concept of time measurement.

  Invite students to speculate about the mechanism of changing the time base - why does moving a weight change the rate? This can be related to concepts of levers, moment of inertia, and mechanical harmonic oscillators.

• Availability: Available
• Loc codes: A1