~ Quizzing the 
Seven Seas 
What causes waves? (page 3) How fast do they travel? 
(page 7) 
Can a ship at sea feel an earthquake? (page 10) 
Can an island explode without being hit by an atomic 
bomb? (page 13) 
Are there any “sea serpents ? (page 20) 
How deep is the ocean? (pages 24-25) How much gold 
does it have? (page 33) 
How can you make light without heat? (page 40) How do 
some fish create this “cold” light? (page 40) 
Why are icebergs free from salt? (pages 50-51) 
What waves are “bores” and how tall can they be? (pages — 
61-62) 
What was Darwin’s theory of the origin of coral atolls? — 
(page 67) 
Can continents move? (pages 68-69 ) 
Is Atlantis, the “buried civilization,” a myth? (pages 70-71) 
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