History of Ocean.
This was the name of the supercontinent.
What is Pangea?
This is part of the continental margin where the ocean floor drops steeply.
What is the continental slope?
The total pressure applied on a diver at 70 meters.
What is 8 atmospheres?
The distance between two wave crests or two wave troughs.
What is wavelength?
He was the director on the first scientific investigation of the oceans in 1872.
Who was Charles Wyville Thomson?
This is how long it took the oceans to form after the earth.
What is 0.6 billion years?
This forms when two oceanic plates collide with each other.
What is a trench?
The graph that shows the change in salinity with an increase in depth.
What is the halocline?
The weaker tides caused when the moon is at a right angle to the sun and earth.
What is neap?
He identified the stages in coral reef formation.
Who is Charles Darwin?
The name of the first scientific expedition devoted to studying the oceans.
What is the HMS Challenger Expedition?
When one plate gets pushed under another plate.
What is subduction?
The type of bond where electrons are shared in a water molecule.
What is a covalent bond?
This is an extreme warming in the Tropical Pacific Ocean.
What is El Nino?
He proposed the Theory of Continental Drift.
Who was Alfred Wegener?
A term that refers to people who study and explore the oceans (inner space).
What is an aquanaut?
This part of the earth includes the crust and the upper portion of the mantle.
What is the asthenosphere?
The attraction of water molecules to each other due to the polarity of a water molecule.
What is cohesion?
The spinning of the earth on its axis.
What is the Coriolis Effect?
They explained how convection currents cause the crustal plates to move.
Who is Hess, Holmes, and Wilson?
This is a Greek term that the word ocean is derived from.
What is okeanos?
This was the name of the ocean that surrounded the supercontinent millions of years ago.
What is Panthalassa?
The bending of light as it passes through substances with different densities.
What is refraction?
This is the name of a current that runs parallel to our shoreline from east to west.
What is the longshore current or littoral drift?
He discovered the composition of water, and the arrangement of atoms within the molecule.
Who was Henry Cavendish?