Monday, January 26, 2015

seafloor spreading/continental drift

Continental drift-Explain it. The moving of the continents over long periods of times. Very Good!


Identify 4 evidences the helped prove the continents where moving and explain each one.

1.fossil that were found in other countries that are the exact same
2. plants in ice bergs
3. mountains that are the same in two different continents
4. shapes of the continents that look like puzzle pieces that could connect


Seafloor Spreading-Explain it.

Identify 2 evidences that helped prove the sea floor was growing and explain each one.

1. the floor is older in some places and newer in other places

2. magma sprouts out and makes  new flooring
Magnetic Reversals

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