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Aztec Chinampas — Reading Comprehension

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This history reading passage explores the innovative chinampas (floating gardens) created by the Aztec civilization in Mesoamerica. Students learn how the Aztecs engineered artificial islands using mud, vegetation, and precise structures in the shallow lake beds around Tenochtitlan, their capital city. The passage details the construction, agricultural productivity, and social significance of chinampas, referencing archaeological evidence and primary sources such as early Spanish accounts. The text explains how chinampas supported large urban populations, shaped daily life, and influenced Aztec society, making connections to broader themes of adaptation and technological innovation. Activities include a glossary, timeline, reading comprehension quiz, writing prompts, graphic organizers, and a Spanish translation. This resource aligns with HSS 6.7.3 and RH.6-8.1 standards, and also offers read aloud audio for accessibility.

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The Aztec civilization developed one of the most remarkable agricultural inventions in world history: the chinampa, or floating garden. Located in the Valley of Mexico, the Aztec city-state of Tenochtitlan depended on these artificial islands to feed its growing population. By the 15th century, Tenochtitlan was home to more than 200,000 people, making it one of the largest cities of its time.

Chinampas were constructed by weaving sticks together to form a base in the shallow lake beds around Tenochtitlan, especially in Lake Texcoco. Builders layered mud, lake sediment, and decaying vegetation on top, creating rectangular plots of fertile land. Wooden stakes anchored the edges, and willow trees were often planted at the corners to provide stability. Archaeological studies have uncovered the remains of these structures, demonstrating how they formed a grid-like pattern across the lakes. Spanish chroniclers, such as Hernán Cortés in his letters from 1521, described the chinampas as "floating gardens" that produced abundant crops.

This method of intensive agriculture allowed the Aztecs to maximize food production in limited space. Farmers grew maize, beans, squash, tomatoes, chili peppers, and flowers, rotating crops to maintain soil fertility. Canals between the chinampas provided irrigation and easy transportation by canoe. The system was so productive that it could yield several harvests per year. According to some estimates, chinampas supplied up to half the food for Tenochtitlan's population. The technique was sustainable, with the natural cycle of water and nutrients reducing the need for artificial fertilizers.

The creation and maintenance of chinampas required cooperation among families and neighborhoods. The Aztec social structure included commoners who worked the land and paid tribute in crops, as well as nobles who managed larger estates. Chinampas were not just farms; they were also the basis for markets, religious ceremonies, and community life. Over time, the system expanded and adapted, even after the Spanish conquest, with remnants still visible today in Xochimilco.

The significance of chinampas goes beyond food production. They demonstrate how the Aztecs adapted to their environment, using engineering skills and innovation to solve problems. Chinampas supported population growth, economic power, and the rise of Tenochtitlan as a major center in Mesoamerica. Their success shows the close relationship between geography and human society.

This story of the Aztec chinampas connects to broader themes of adaptation, technology, and the impact of agriculture on civilization.

Interesting Fact: Some chinampas in Xochimilco are still used today, more than 500 years after the Aztec Empire.

What is a chinampa?

A man-made floating gardenA type of Aztec boatA temple for worshipA warrior's shield

Where was Tenochtitlan located?

Valley of MexicoAndes MountainsYucatan PeninsulaSonoran Desert

What crops grew on chinampas?

Maize, beans, squashWheat, barley, oatsRice, potatoes, onionsBananas, pineapples, mangoes

Why did Aztecs build chinampas?

To increase food productionTo build housesTo catch fishTo create roads

How were chinampas stabilized?

Willow trees and stakesGiant stonesRope and sandClay and bricks