| A | B |
|---|
| North American | one of the seven continents in the world; consists of Canada, United States, and Mexico |
| prehistoric | the period of time before recorded history |
| archaeologists | scientists who study past human life by looking at prehistoric fossils and tools |
| Great Lakes | five large lakes located between Canada and the United States whose names are Superior, Michigan, Huron, Erie, and Ontario |
| continent | one of seven large areas of land on the globe |
| mammoths | large, hairy, extinct elephants with tusks that curved upward |
| Asia | the world’s largest continent with more than half of the Earth’s population |
| bison | buffalo |
| carbon dating | finding the age of ancient objects by measuring the amount of carbon in them |
| culture | a group of people who share a set of beliefs, goals, religious customs, attitudes, and social practices |
| minerals | substances found below ground that are useful to humans, including ore, coal, natural gas, water, and gems |
| dwellings | houses |
| Ice Age | period in history when great sheets of ice up to two miles thick covered a large part of the Earth |
| abandon | leave an area completely |
| raided | entered someone’s property for the purpose of stealing |
| European | a person who comes from the continent of Europe |
| sacred | a type of item that is holy and worthy of respect |
| descendants | family members who come after one has died |
| prairie | wide area of flat or rolling grassland |
| proposal | an offer |
