Volcanic System Teaching Model State_Solid General-purpose laboratory support stand sized

General-purpose laboratory support stand sized for accessory apparatus

Used to test how mass per length controls pitch

providing waterproof chemical-resistant splash protection with a smooth nonporous surface that wipes clean

Length-adjustable wooden pendulum simple-machine model with a blue bob sliding along the string and a wooden guide keeping the swing on a consistent path for period-vs-length measurements

Volcanic System Teaching Model State_Solid General-purpose laboratory support stand sizedHand painted volcanic system model on a 75 by 100 cm wall mountable backboard, demonstrating how eruptions unfold and what structural conditions trigger them, with each feature labeled.