science Chapter 7.l notes

What is continental drift?

Constant slow movement of earths continents

He studied sediment and found grooves and scratches in the walls that have been left by_____

Glaciers

What does fossil mean?

The naturally preserved remains imprints or traces of organisms that lived a long time ago

What is the name of the animal that was found on different continent

Mesosaures

What is the floral fossil clue?

Glossoptaris

What are rock clues?

Wagner continue to search for evidence and observe that mountain ranges on different continents seem to fit together and have the same origins

What was one of the rock clues that we discovered?

Some of them included a big volcanic eruption, and the volcanic rock has been found on both coast lines and they are identical in age in chemistry and another one is Africa and South America fit together like a puzzle and the Appalachian mountains and Caledonian mountains are similar in a structure in rock type

Who was the female scientist that helped Alfred Regner prove his theory years later

Marie Tharpe

What are the mid ocean ridges?

The mountain ranges in the middle of the ocean much longer than any mountain range on land

What is seafloor spreading?

The process in which new ocean crust forms along a mid ocean ridge and older crust moves away from the ridge

What is a smooth part of the sea floor

The abyss plain