0.1% Aqueous Bromothymol Blue Indicator Solution, 500mL Material_PMP Adjustable hardwood ramp track with

Adjustable hardwood ramp track with a 30 by 120cm running surface and a run-off section

Visualizes linear thermal expansion through a fitted metal bar and gauge

continental interiors

a 75mm-long equilateral acrylic prism with 25mm faces refracts light through measurable angles for Snell's law and rainbow demos

Center-of-gravity kit demonstrating how objects balance at their center of mass

0.1% Aqueous Bromothymol Blue Indicator Solution, 500mL Material_PMP Adjustable hardwood ramp track withPre dissolved 0. 1% aqueous bromothymol blue solution in a 500mL bottle, the ready to use indicator for acid base titrations transitioning from yellow under pH 6 to blue above pH 7. 6.