Oceans
1. Water covers _____________ of the Earth's surface.
2. The oceans transfer _______________ around the world.
3. The oceans also help power our ____________ .
4. Tides are created by the pull of the Moon and Sun's _______________ .
5. Some tidal bores can travel up to ________________ mph.
6. The large formations off Oregon's coast are called ____________________
7. Steam clouds released by ___________________ provided moisture for
Earth's oceans.
8. Rain from those clouds plus water from interstellar _______________
created the first seas.
9. Ethiopia's ______________ Depression will become a new ocean.
10. The ___________________ Sea evaporates 3 times as fast as it can be
replaced.
11. This sea began to vanish _______________________ years ago.
12. Rivers release important _______________ into the oceans.
13. Hot water from below plus cool sea water from above creates
_____________ .
14. These crystals are composed of _________________ .
15. Sicily was once home to ___________________ .
16. Tiny _________________ are so numerous they can be seen from space.
17. These creatures are also the first meal in _____________________ .
18. They provide Earth with oxygen by a process called _________________ .
19. The oceans are connected by strong ______________.
20a. Heat from our___________ is stored in the seas as a resevoir of energy.
20b. The warmest waters on Earth are found at the ___________________ .
21. The _______________________ tranfers 3 billion tons of water a second.
22. Flowing west to east, _________________ causes drought and flooding.
23. The Great ___________________ mixes warmer seas with polar water .
24. When warm and cold water currents meet the ________________ water
sinks to the bottom.
25. The Dolimite Mountans contain fossils of extinct _______________ animals.
26. These animals were killed by early ______________________ .
27. Lack of oxygen in water is called _________________ .
28. Green Lake is toxic due to high levels of ___________________ .
29. In 1998 the ocean temperature around Polynesia rose _____________
degrees.
30. This slight increase killed 20 milllion __________________
31. _______________ of coral cannot form if the ocean is too acidic.
32. The oceans are ____________ to all life on earth.
Wordbank
tiny elephants
El Nino
cold
6 million
currents
comets
land
Volcanoes photosynthesis
20
Conveyance
Gypsum
2
sun
energy
climate
Skeletons
jellyfish
Afar
Mediterranean
fundamental
carbon dioxide
sediments
Anoxia
gravity
Equator
Sea stacks
phytoplankton
geodes
3/4
Global warming
Ocean food - chain
Gulf Stream