GSTS - Historical Antedecents

3. A symbolic system regarded as ‘sacred writing’, used to document beliefs, leadership, and daily life of the early Egyptians.
7. A fertile area located between two rivers, often linked to the rise of early food production and civilization.
9. A material applied around the eyes that served both cosmetic and protective purposes. Usually made from galena.
13. A device that transformed human communication by transmitting sound electronically.
14. A Greek oath-giver in medicine.
15. A Greek invention that reflects early understanding of astronomy and mechanical design.

1. A burial-related practice intended to prepare the body for the afterlife.
2. A type of traditional agricultural farming that allows land to recover and sustain it after cultivation.
4. A record-keeping system of the Sumerian Civilization, formed by impressions on clay. The most famous record is “The Epic of Gilgamesh”.
5. A branch of knowledge that applies shapes, logical proofs and conduct deductive reasoning to arrive at conclusions.
6. A technique that applies controlled heat to improve food safety and longevity.
8. Carefully built passageways that enabled water to reach communities far from its natural source.
10. A Filipino innovation that provides light by combining sustainability and simple but unique materials.
11. A medieval weapon designed to project objects like stones during warfare from a distance.
12. A historical period characterized by frequent conflicts, migration, and advances in weaponry.