Solutions And Mixtures worksheets
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Who created the hypothesis of Continental Drift?
Harry Hess
Alfred Wegner
Sir Isaac Newton
Albert Einstein
What is this a picture of?
Plate Tectonics
Continental Drift
Pangea
What does the hypothesis of Continental Drift state?
200 million years ago, the continents were joined as one and they have remained that way.
200 million years ago, the continents were joined as one and they have slowly moved to their current locations.
What evidence was used to support Continental Drift?
Continents fitting together like a puzzle
Fossils of Ferns on Antarctica
Similar mountain ranges on different continents
All of the above
Why did no one believe Wegener's hypothesis of Continental Drift?
He could not explain HOW the continents moved.
His data was incorrect.
He did not use the right technology to gather data
In the Atlantic Ocean where is the youngest seafloor located?
Towards the edges of the eastern and western continents.
Towards the North and South Pole.
Along the Mid-Ocean Ridge.
Young seafloor is located randomly throughout the ocean.
What type of plate boundary is the Mid-Ocean Ridge?
Divergent
Convergent
Transform
What two words are BEST used to describe how the seafloor spreads?
Volcanoes and convection
Tsunamis and convection
Earthquakes and convection
Magma and convection
True or false: The tectonic plates will never stop moving
True
False
How do scientists figure out the age of the seafloor?
They research it from ancient sea maps that trading vessels used in the 1700s.
They use seismographs, the depth, and the locations of earthquakes to calculate the age.
They look at differences in magnetic polarity of the seafloor to determine the age.
They take drill ships to many locations in the oceans and collect and date the rock samples.
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