Innovating Science - Acids, Bases, and The pH Scale Kit Subject_Geology Slotted with a central well

Slotted with a central well on each glass

Ranvier-pattern hand microtome uses a screw-thread mechanism for precise specimen advancement during thin-section cutting and microscope slide preparation

configurable across many ratios for transformer-action demonstrations

5 kg hanger for a 10

Onion epidermal cell model exposes the single-cell-thick tissue layer with rectangular cell walls

Innovating Science - Acids, Bases, and The pH Scale Kit Subject_Geology Slotted with a central wellKit for determining differences between acid and base properties, the role of hydrogen and hydroxide ions in acids and bases, and the relationship of pH scale to acid and base strength Activities for examining effects of acids and bases on several chemical pH indicators, identifying pH of common household materials, and determining composition of four unknown clear solutions Materials for 15 groups of students for hands on learning Teacher's manual