crossword

Black Smoker Crossword Challenge
Are you game for the Black Smoker Crossword Challenge? Print this offline puzzle. All the answers can be found in the content of the black smoker Web site.

ACROSS

4 The name of the research vessel used for the expedition.
5 The mid-ocean ridge forms as a result of plate _______.
6 Where new oceanic crust is constantly being created.
8 The vehicle on this expedition that is tethered to this ship and explores the ocean floor under remote control.
9 Approximately this many cubic kilometers of new oceanic crust are created along midocean ridges each year.
10 The scientist who sent the logs from the boat to the Web site.
11 Archaea represent one of the _______ life-forms on Earth.
12 The tip of a tube worm is this color.
15 The life-form that supports the food chain at deep-sea vents.
16 New oceanic crusts is _______ dense than old oceanic crust.
17 Archaea derive energy from the minerals in black smoke and use the energy to create food via this process.
19 Clams incorporate sulfide from the vent waters with their bright red _______.
23 Large piles of minerals build up around black smokers over time to form these sulfide _______.
25 Rounded forms created when lava erupts underwater.
26 Humans, cats, dogs, and clams are all _______.
27 These organisms get energy directly from sunlight.
29 _______ on Earth may have originated in ancient deep-sea vents.
30 Deep-sea vents were first discovered by scientists in this research submersible.
31 Valleys on the ocean floor that are bounded by faults are called _______ zones.
32 Open cracks in the sea floor.
33. The purpose of this expedition is to study and _______ black smokers.

DOWN

1 The vehicle that works with the Jason.
2 The hot water flowing out of black smokers is rich in dissolved _______.
3 Black smokers are found at deep-sea _______ vents.
6 Another planet where there is both liquid water and volcanic activity that may sustain or have sustained life similar to Archaea
7 The oceanic crust farther away from the midocean ridges is _______ than the oceanic crust near the midocean ridges.
8 The ridge that was the destination of the expedition.
11 This gas is dissolved in abundance throughout the ocean and produced as a waste product of photosynthesis.
13 The black smoke that appears to stream out of sulfide chimneys is really hot water with tiny _______ suspended in it.
14 Ocean _______ cover approximately 70% of Earth's surface.
18 Black smokers can be described as submarine _______ structures.
20 A key characteristic of the bacteria that support the food chain at deep-sea hydrothermal vent communities.
21 Chimneys are formed when the minerals _______ out of the hot water.
22 This map show the topography of the ocean floor.
24 The midocean ridge is a chain of these.
28 The magma that solidifies to form the oceanic crust comes from the Earth's _______.

When you finish the crossword puzzle compare your answers to the answer key.

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