1. Chapter 5: Ancient Egypt Lesson 2: Day 2 Expanding Knowledge

2. Astronomy- Astronomy- Studied sky as part of their religion. Studied sky as part of their religion. 5000 years ago, noticed a star appeared shortly before the Nile would flood; now called Sirius. 5000 years ago, noticed a star appeared shortly before the Nile would flood; now called Sirius. Returned to the same position in 365 days, created the first practical calendar based on that information. Returned to the same position in 365 days, created the first practical calendar based on that information. Much knowledge came about as priests studied the world to find ways to please the gods; other advances came in practical ways. Sirius (Dog Star) Brightest Star in the night sky

3. Expanding Knowledge Geometry- Geometry- Developed the first form of geometry. Developed the first form of geometry. Nile’s flood waters washed away land boundaries; measured land by using ropes knotted at regular intervals. Nile’s flood waters washed away land boundaries; measured land by using ropes knotted at regular intervals. Shapes like squares, triangles, were sacred to Egyptians. Shapes like squares, triangles, were sacred to Egyptians. Used them to construct their temples and monuments. Used them to construct their temples and monuments.

4. Expanding Knowledge Medicine Doctors prepared bodies for burial, knew parts of the body. Preformed some of the world’s first surgeries. Used herb medicine. Believed heart controlled thought, brain circulated blood. Cure for upset stomach, “eat hogs tooth, crushed inside sugar cakes”.

5. Hieroglyphs 3000 B.C. developed writing system. Hieroglyphs- pictures that stand for words or sounds. Hieroglyphic contained 700 characters, System eventually contained 6000 characters.

6. Developed paper. Developed paper. Papyrus- paper made from the plant of the same name. Papyrus- paper made from the plant of the same name. Cut stems into strips, pressed them, dried them into sheets. Rolled sheets into scrolls. Cut stems into strips, pressed them, dried them into sheets. Rolled sheets into scrolls. Light, easy to carry. Light, easy to carry. Created some of the worlds first books. Created some of the worlds first books.