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With a straightforward design that shows real-time results
and Copper in the famous 1-2-3 chemical combination
Adjustable accuracy: Top dial lets students zero each scale for reliable measurements
needle-based design offers a clear advantage over traditional leaf electroscopes—the needle stays put during experiments instead of fluttering—making observations easier to see and results more reliable
the other end is optimized for color mixing and subtraction
Set of 8 Boomwhackers & 4 Caps Electricity & Magnetism With a straightforward design thatDemonstrate open and closed piped resonance with these colorful tubes. When whacked against the floor or your knee, each tube produces a clear tone. Students can even play songs!