US$ 20.00
letting students vary the moment arm distances on either side and find the balance point for any combination of masses
sized to fill the gap between 100-ohm and 1k values for fine-grained voltage-divider investigations
and redistribution during cell division for biology instruction
an ignition light firing on compression for visual timing
2m measuring tape
Economy Boyle's Law Apparatus Graduations_Blue letting students vary the momentEconomy Boyle's Law apparatus on a wooden stand with a heavy metal base, 100cm millimeter graduated scale, and an adjustable mercury reservoir for varying pressure on a trapped gas column.
US$ 20.00
US$ 45.00
US$ 100.00
US$ 59.99
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US$ 15.64
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US$ 78.95
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