| Hint | Answer | % Correct |
|---|---|---|
| Period of long-term reduction in Earth's temperature | ice age | 92%
|
| From 3.4 million years ago to about 3000 BC | Stone Age | 76%
|
| From about 3300 to 1200 BC | Bronze Age | 71%
|
| From about 1200 to 550 BC | Iron Age | 69%
|
| Since the launch of Sputnik in 1957 | Space Age | 67%
|
| Spiritual or religious practices and beliefs growing since the early 1970s | New Age | 53%
|
| From about the 5th to 15th century AD; "medieval period" | Middle Ages | 49%
|
| Late 17th to early 19th century; philosophy | Age of Enlightenment | 47%
|
| Subtitle of the second Avengers movie | Age of Ultron | 47%
|
| From about the 5th to 10th century AD, Western Europe | Dark Ages | 47%
|
| The 1920s and 1930s; musical age | Jazz Age | 47%
|
| Since the Trinity test in 1945 | Atomic Age | 45%
|
| Josh Homme's band, abbreviated QOTSA | Queens of the Stone Age | 43%
|
| From about 1418 to 1620 AD; colonies | Age of Discovery | 33%
|
| Since the transistor in 1947; accelerated with PCs and internet | Information Age | 29%
|
| Series of nine historical real-time strategy video games | Age of Empires | 27%
|
| Another name for the Enlightenment; or a 1794 work by Thomas Paine | Age of Reason | 20%
|
| Subtitle of the fourth Michael Bay Transformers | Age of {Extinction} | 18%
|
| Rapid growth in late 19th-century US; between Reconstruction and Progressive | Gilded Age | 18%
|