4-Species Wooden Boards Set, 8" (Poplar, Oak, Pine, Maple) Glassware_Glass Pipettes used to demonstrate standing waves

used to demonstrate standing waves in air through powder-pile node spacing measurements

and cell membrane for introductory plant cell teaching

Periodic table distance learning kit examines physical and chemical properties of nonmetals

Hand-crank centrifuge spins four 15mL tubes for teaching sedimentation

and acceleration over time

4-Species Wooden Boards Set, 8" (Poplar, Oak, Pine, Maple) Glassware_Glass Pipettes used to demonstrate standing wavesFour board hardwood set in poplar, oak, pine, and maple at nominal 1 by 4 by 8 inch dimensions, chosen as a density and hardness comparison kit across common structural wood species.