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General Knowledge

Medium11×1113 words

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Clues in this puzzle

Optical glass instrument that splits white light into a rainbow (5)
Luminous polar atmospheric display caused by solar wind particles (6)
The highest point or culmination of an enterprise (4)
Extensive cluster or chain of scattered oceanic islands (11)
Auditory reflection bouncing back off a distant canyon wall (4)
Historic waterway flowing northward through northeastern Africa (4)
Famed passenger liner that foundered on its maiden transatlantic voyage in 1912 (7)

Egg-like geometric shape common to running tracks (4)
Planetary neighbor known for iron-rich reddish soil (4)
Monumental stone tomb shape engineered prominently at Giza (7)
Iron-containing protein responsible for transporting oxygen throughout blood (10)
Himalayan peak standing as the highest elevation above sea level (7)
Universal force drawing masses toward one another across spacetime (7)