| A | B |
|---|
| Ice Age | a period of time when ice covered nearly half of the Earth's land mass |
| glacier | great sheets of ice |
| tropical | the area of the Earth that is near the equator (between the Tropic of Cancer and the Tropic of Capricorn) |
| rain forest | a forest that receives more than 80 inches of rain a year, most are in tropical regions |
| climograph | a graph that shows the temperature and precipitation in a place over a period of months |
| slash and burn | a method of farming where farmers cleared the dense jungle growth and then burned what remained during the dry season |
| Classic Period | a period in Maya history when they build the richest civilization yet seen in the Americas |
| maize | corn, the heart of Maya agriculture |
| glyph | symbols carved into the stones of Maya cities and towns |
| stela | a tall flat stone that Maya leaders had |
