Where did the Inca people build their empire?

• Thick, steamy jungles

• Swamps and marshes

• Steep Andes Mountains

• Flat, open plains

What special farming method did the Inca use to grow food on mountain slopes?

• Floating gardens

• Raised fields

• Terrace farming

• Underground farms

What did the Aztec people build to grow food in swampy areas?

• Chinampas

• Terraces

• Raised fields

• Large barns

Which important food crop did the Inca civilization first grow?

• Corn

• Cotton

• Tomatoes

• Potatoes

What was the name for the family groups in Inca society that worked land together and shared belongings?

• Chinampas

• Ayllu

• Hieroglyphs

• Quipu

What did the Inca use to keep track of information since they did not have a writing system?

• Hieroglyphs

• Quipu

• Clay tablets

• Picture books

Which number concept did the Maya independently develop and use, which was a big step in math?

• One

• Ten

• Zero

• Hundred

What caused the quick downfall of the Aztec and Inca empires?

• Natural disasters

• Spanish conquistadors and diseases

• Lack of food

• Wars with other tribes