- How deep can a human go underwater?
- What is the deepest place on Earth?
- What are 4 types of ocean floor?
- Where are the deepest parts of the seafloor?
- What causes Earth’s tectonic plates to move?
- Where is the youngest seafloor in the Atlantic Ocean?
- Where is the youngest ocean floor found quizlet?
- Where are the oldest sediments found?
- What are the three pieces of evidence for seafloor spreading?
- What happens when the seafloor spreads?
- How do we know the age of the seafloor?
- What boundaries is seafloor destroyed?
- How old is the earth?
- Where does the old crust move when the seafloor spreads?
How deep can a human go underwater?
35,858 feetThe deepest point ever reached by man is 35,858 feet below the surface of the ocean, which happens to be as deep as water gets on earth.
To go deeper, you’ll have to travel to the bottom of the Challenger Deep, a section of the Mariana Trench under the Pacific Ocean 200 miles southwest of Guam..
What is the deepest place on Earth?
Challenger DeepIn the Pacific Ocean, somewhere between Guam and the Philippines, lies the Marianas Trench, also known as the Mariana Trench. At 35,814 feet below sea level, its bottom is called the Challenger Deep — the deepest point known on Earth.
What are 4 types of ocean floor?
Features of the ocean floor include the continental shelf and slope, abyssal plain, trenches, seamounts, and the mid-ocean ridge.
Where are the deepest parts of the seafloor?
The deepest part of the ocean is called the Challenger Deep and is located beneath the western Pacific Ocean in the southern end of the Mariana Trench, which runs several hundred kilometers southwest of the U.S. territorial island of Guam. Challenger Deep is approximately 36,200 feet deep.
What causes Earth’s tectonic plates to move?
The plates can be thought of like pieces of a cracked shell that rest on the hot, molten rock of Earth’s mantle and fit snugly against one another. The heat from radioactive processes within the planet’s interior causes the plates to move, sometimes toward and sometimes away from each other.
Where is the youngest seafloor in the Atlantic Ocean?
Where is the youngest seafloor in that ocean? The youngest seafloor is almost exactly in the middle of the Atlantic Ocean. The youngest ages extend the entire length down the center of the ocean basin.
Where is the youngest ocean floor found quizlet?
Youngest at mid-ocean ridge, oldest adjacent to the continents. The lithosphere makes up the ocean floor and the continental land masses, along with the uppermost portion of the mantle.
Where are the oldest sediments found?
GreenlandEarth’s Oldest Sedimentary Rocks. Earth’s oldest sedimentary rocks, found in Greenland, are about 3.9 billion years old. Unusual chemical traces in these rocks may suggest that life existed when they formed.
What are the three pieces of evidence for seafloor spreading?
What three types of evidence provided support for the theory of sea floor spreading? eruptions of molten material, magnetic stripes in the rock of the ocean floor, and the ages of the rocks themselves.
What happens when the seafloor spreads?
Sea-floor spreading is what happens at the mid-oceanic ridge where a divergent boundary is causing two plates to move away from one another resulting in spreading of the sea floor. As the plates move apart, new material wells up and cools onto the edge of the plates.
How do we know the age of the seafloor?
Scientists can determine the age of the seafloor thanks to the changing magnetic field of our planet. … While it cools down, it records the magnetic field during its formation. The two parts of the oceanic plate are pulled apart, and magnetic stripes become older as they move away from the mid-ocean ridge.
What boundaries is seafloor destroyed?
The seafloor is destroyed at a COnvergent Boundary.
How old is the earth?
4.543 billion yearsEarth/Age
Where does the old crust move when the seafloor spreads?
The continual process of seafloor spreading separated the stripes in an orderly pattern. Oceanic crust slowly moves away from mid-ocean ridges and sites of seafloor spreading. As it moves, it becomes cooler, more dense, and more thick.