Fallen Giants
Mind Games
Hidden Icons
Elemental
Case Closed
200

This ancient empire was ruled from Rome and eventually split into eastern and western halves

What is the Roman empire?

200

This term describes the mental process of storing and later retrieving information

What is Memory?

200

This Indian mausoleum was commissioned by Shah Jahan in memory of Mumtaz Mahal

What is the Taj mahal?

200

This chemical element has the symbol W, derived from its alternative name, wolfram

What is Tungsten?

200

This fictional detective lived at 221B Baker Street and was created by Arthur Conan Doyle

Who is Sherlock Holmes?

400

This ancient North African civilization, famous for its maritime trade and its rivalry with Rome, had its capital at Carthage

What was the Carthaginian civilization?

400

This cognitive bias causes people to favor information that supports what they already believe

What is Confirmation bias?

400

This Cambodian temple complex, originally dedicated to Vishnu, appears on the country's national flag

What is Angkor Wat?

400

Daily double: This noble gas, with atomic number 54, is commonly used in photographic flash lamps and some specialized lighting

What is Xenon?

400

This term describes evidence that strongly suggests a conclusion but does not prove it conclusively

What is circumstantial evidence?

600

This Persian dynasty was defeated by Alexander the Great after the Battle of Gaugamela in 331 BCE

What was the Achaemenid Empire?

600

This theory of cognitive development proposes that people organize information using mental frameworks called schemas

What is Piaget's theory of cognitive development?

600

This rock-hewn Ethiopian church, often identified as the largest monolithic church in the world, is named for a medieval king

What is the Church of Saint George at Lalibela?

600

This radioactive element, with atomic number 87, was discovered by Marguerite Perey in 1939

What is Francium?

600

This famous unsolved 15th-century manuscript is named after the rare-book dealer who acquired it in 1912

What is the Voynich manuscript?

800

This Mongol ruler founded the Yuan dynasty in China in 1271

Who was Kublai khan?

800

This psychological effect describes how people tend to remember the first and last items in a list better than those in the middle

What is the serial-position effect?

800

This ancient monument in southern England consists of a ring of large standing stones

What is Stonehenge?

800

This element has atomic number 26 and is essential for making hemoglobin

What is Iron?

800

This 1920 mystery novel by Agatha Christie introduced Hercule Poirot

What is *The Mysterious Affair at Styles*?

1000

Daily double: This Byzantine capital fell to Ottoman forces under Mehmed II in 1453

What was Constantinople?

1000

This psychological phenomenon occurs when people perform a task differently because they know they are being observed

What is the Hawthorne effect?

1000

This architectural masterpiece in Barcelona was designed by Antoni Gaudí and remains unfinished

What is the Sagrada Família?

1000

This element is the most abundant metal in Earth's crust

What is Aluminum?

1000

This unsolved case concerns a series of letters sent to newspapers by a killer who operated in Northern California in the late 1960s

What is the Zodiac Killer case?