undefined | Chemistry SHS 1 SEM 1 WEEK 1 (WASSCE & NaCCA Aligned)

Explore how monumental climate change, specifically the desiccation of the ‘Green Sahara,’ triggered massive human migrations and the consequential invention of settled agriculture along major African rivers. Understand the crucial environmental factors that necessitated early internal and external trade networks, driving the rise of sophisticated West African civilizations.

This pedagogical structure provides a rigorous analysis of the socio-cultural and economic drivers behind clothing choices, moving beyond simplistic function to explore the garment’s role as a semiotic device.
It culminates in a detailed examination of best practices for textile maintenance, linking proper care techniques directly to material conservation and fiscal responsibility.

This lesson establishes the fundamental structure of historical research by differentiating between primary and secondary sources based on their temporal proximity to the events studied.
Mastery of source analysis, including critical authentication and bias detection, is essential for constructing accurate, nuanced historical narratives that move beyond simple retelling.

This unit builds fundamental skills in proportional reasoning by establishing a rigorous conceptual link between fractional parts, their equivalent forms, and the whole they represent. Mastery of the four basic operations on fractions—especially through the LCM approach and the ‘Keep, Change, Flip’ rule—is critical for solving complex, real-world problems involving shared quantities and ratios.