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1 What is the correct order (starting from the surface) of Earth’s layers?
2 Where is oceanic rock the oldest?
3 What did scientists in a submersible see when they observed the mid-ocean ridge?
4 What causes the movement of Earth’s tectonic plates?
5 What happens if subduction happens quicker than new crust can form?
6 Most geologists rejected Alfred Wegener’s idea of continental drift because:
7 List 2 layers where convection currents flow:
8 Along what part of the ocean floor does magma erupt during sea-floor spreading?
9 Indirect Evidence =
10 What is the combination of the upper most part of the mantle and the crust?
11 Direct Evidence =
12 Which cores is a "layer of molten metal that moves in convection currents causing Earth’s magnetic field"
13 Which cores is a "layer of molten metal that moves in convection currents causing Earth’s magnetic field"
14 Which cores is a "dense ball of solid metal"
15 Wegener’s 3 reasons for continental drift:
16 Does pressure and temperature increase or decrease as you travel to the center of Earth?
17 What did scientists discover about rocks farther away from the mid-ocean ridge versus those near it? Rocks are older farther away from the mid-ocean ridge; rocks are younger at the mid-ocean ridge How did they get these rocks?
18 What will happen to convection currents if the heat source is removed?
19 Wegener’s 3 reasons for continental drift:
20 What is the name of the supercontinent that existed millions of years ago?
21 Wegener’s 3 reasons for continental drift:
22 Who said the hypothesis of All continents were once connected in a single landmass and have since drifted apart.
23 Earth’s interior is made up of several
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