Do Now What part of the Nile River supported the most people? How was silt created?
Activity Turn to page 136 of your textbook. Label as many causes and effects and you can find.
Cause 1 In some years, rains were not heavy enough to make the Nile overflow
Effect 1 The lands baked in the sun, and crops dried up Without a harvest, many Egyptians starved
Cause 2 In other years, too much rain fell
Effect 2 The river flooded wildly, drowning people and destroying crops
Cause 3 Egyptians developed agricultural techniques such as: Irrigation ditches Dams Dikes They also stored water in ponds or pools for use when the river was low.
Effect 3 Populations of settlements along the shores increased
Cause 4 Irrigation became extremely important to the food supply
Effect 4 It became supervised by government officials
Cause 5 The government began to have complete control over farming and irrigation
Effect 5 The authority of early Egyptian leaders was based on their ability to provide water for crops
Cause 6 In good years, large harvests produced surplus food
Effect 6 Rulers stored surplus to feed people in times of drought and to feed the laborers on public works projects
Wrap Up Why was irrigation and controlling water so important to Egyptians?