| Hint | Answer | % Correct |
|---|---|---|
| This river flows through the Grand Canyon. | Colorado | 100%
|
| This sea is sometimes referred to as the "world's largest lake." | Caspian | 96%
|
| Second longest river in Africa, formerly known as the Zaire River. | Congo | 96%
|
| __________ Bay is an estuary in the U.S. states of Maryland and Virginia. | Chesapeake | 87%
|
| This sea has the world's second biggest barrier reef, the Mesoamerican Barrier Reef. | Caribbean | 81%
|
| Name of the strait that separates the North and South Islands of New Zealand. | Cook | 81%
|
| Indonesia's island of Sulawesi is also known as _______, and shares its name with the sea to the north of it. | Celebes | 80%
|
| This sea is a marginal sea of the South Pacific off the northeast coast of Australia. | Coral | 76%
|
| This river forms part of the border between Washington and the state of Oregon. | Columbia | 56%
|
| ______ lake partly fills a nearly 2,148-foot (655 m)-deep caldera in south-central Oregon. | Crater | 54%
|
| The __________ River is a major waterway of southern Kentucky and north-central Tennessee. | Cumberland | 26%
|