Do Dolphins Ever Sleep?: 211 Questions and Answers about Ships, the Sky and the Sea
Why does a dinghy slid backward as we try to climb out? Why are cold seas green and warm seas blue? Why do barnacles attach themselves to boat hulls? When was the rudder invented? What have been the main steps in the evolution of sailboats? How does wind create waves? These are some of the questions asked about the sea, the sky, wind and weather, ships, sailing, navigation and the life aboard answered in Do Dolphins Ever Sleep?
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Does all the water that evaporates from the ocean eventually returntoit? 4
What explains the almost total absence of tides in Tahiti? 34
Life in the
Why do ﬁsh congregate around sunken wrecks and buoys? 55
Iceistransparentbuticebergsarewhite Why? 25
If the Sun attracts the Earth much more than the Moon does why does the Moon create larger tides than the Sun? 28
If the tide is mainly due to the attraction of the Moon why is there also a high tide on the opposite side of Earth the side facingawayfromtheMoon? 29
Why are tides so much bigger in some places than in others? 31
What are all those slowswimming turtles doing in the middle of the Atlantic 1000 miles from land where they lay their eggs? 77
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algae amphidromic points amplitude areas Atlantic atmosphere atom attraction baleen whales barnacle basin become Bermuda blowhole blue blue whale boat bottom bow wave called causes cells center of gravity centrifugal force concentrations continents create crest crustacean deep denser diﬀerent diﬀusion dissolved oxygen distance Dolphins Ever Sleep Earth Earth-Moon eddies eﬀect feet ﬁlm ﬁnd ﬁns ﬁrst ﬁsh ﬁshing ﬂat ﬂesh ﬂoat ﬂow ﬂying giant squid gills Gulf Stream hot spot hydrogen inside island knots light liquid living mammals Mediterranean membrane miles million years ago Moon move navigators ocean oﬀ the coast Paciﬁc period photosynthesis phytoplankton plankton plants produced sail salt scientiﬁc sea ﬂoor sea level seawater seiche shallow water sharks ships side small ﬁsh solar energy speed sperm whales surface tension swim temperature tidal bulge tide toothed whales tropical tsunami tuna upwellings vapor volcanic water molecules wave’s wavelength wind zone zooplankton