The Chalcolithic Era, also known as the Copper Age, is the transitional period between the Neolithic and Bronze Ages, characterized by the use of copper tools and weapons.

Copper was the primary material used for making tools and weapons during the Chalcolithic Era, hence the name 'Copper Age'.

Mesopotamia, located in present-day Iraq, is considered to be one of the earliest centers of Chalcolithic culture, with evidence of copper metallurgy dating back to around 3500 BCE.

Agriculture was the primary source of food for Chalcolithic people, with crops such as wheat, barley, and lentils being cultivated.

Arslantepe, located in eastern Turkey, is a Chalcolithic site known for its well-preserved copper artifacts, including tools, weapons, and ornaments.

Tribal organization was the primary form of social organization during the Chalcolithic Era, with small communities led by tribal leaders.

Animism, the belief that objects, places, and creatures possess a spiritual essence, was the primary form of religious expression during the Chalcolithic Era.

Mehrgarh, located in present-day Pakistan, is a Chalcolithic site known for its early evidence of copper metallurgy and urban planning.

Pottery was the primary form of art during the Chalcolithic Era, with various styles and techniques emerging across different regions.

Yangshao, located in central China, is a Chalcolithic site known for its jade artifacts and early evidence of rice cultivation.

Barter, the direct exchange of goods and services without the use of money, was the primary form of trade during the Chalcolithic Era.

Vinča, located in present-day Serbia, is a Chalcolithic site known for its copper metallurgy and Vinča symbols, a unique system of符号.

Walking was the primary form of transportation during the Chalcolithic Era, with boats and horses being used for limited purposes.

Shulaveri-Shomu, located in present-day Georgia, is a Chalcolithic site known for its copper metallurgy and early evidence of wine production.

Oral tradition, the passing down of stories, legends, and knowledge through spoken word, was the primary form of communication during the Chalcolithic Era.