0.1% Aqueous Bromothymol Blue Indicator Solution, 500mL Material_PMP a 75mm-long equilateral acrylic prism

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

Square-section aluminum 42-inch bench graduated in 1cm steps along its 100cm rail

Visualizes linear thermal expansion through a fitted metal bar and gauge

HS-PS1-4Disciplinary Core Ideas

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

0.1% Aqueous Bromothymol Blue Indicator Solution, 500mL Material_PMP a 75mm-long equilateral acrylic prismPre 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.