"solar binocular"

Ishihara Color Blindness Test Charts help students evaluate congenital, complete, and incomplete color blindness.

Thomas Spurgeon et al

With the Vernier Variable load, students can adjust the potentiometer to provide resistances between 6 and 255 Ω, allowing them to determine the optimal load on a system.

Improve student test scores and involve parents in the process.

Examine anatomical differences based on diet.