The crossword solution for the term IRON AND ICE is AGES, which refers to the Iron and Ice AGES. The Iron Age was a period in human history that began around 1200 BC and lasted until the beginning of the Common Era. During this time, iron tools and weapons were developed and used by many cultures. The Ice Age was a period of global cooling that began around 2.6 million years ago and lasted until about 11, 700 years ago. During this time, much of the Earth's surface was covered in ice sheets and glaciers.