Crystal Decay Lab Journal
A structured lab investigation journal for recording radioactive decay simulation data, graphing predictions, and identifying half-life patterns.
Atomic Clock Slides
A 10-slide visual presentation for teaching radioactive decay, crystal formation, and geochronology in the Afar region. Includes video embeds and high-impact scientific models with accessible font sizes and the time-solved formula.
Afar Rock Chronology Worksheet
A specialized data analysis handout for calculating the absolute age of rock samples from different regions of Afar using radiometric dating ratios, now including the formula solved for time and a precision tip.
Geologic Brief Teacher Guide
A comprehensive teacher facilitation guide containing background science, geologic context for the Afar region, and answer keys for lab data and rock age calculations. Now includes solved time formulas.