1. lithosphere 2. asthenosphere 3. convergent boundary 4. divergent boundary 5. transform boundary 6. mid-ocean ridge 7. ocean trench 8. paleomagnetism 9. continental drift 10. plate tectonics 11. convection 12. gravity 13. tectonic plate 14. subduction zone 15. pangaea circulating flow of a gas or liquid due to density differences force that pulls objects towards the earth super-continent made of all the continents that existed millions of years ago boundary where two tectonic plates are moving away from each other section of the lithosphere that slowly moves over the asthenosphere, carrying pieces of continental and oceanic crust idea that the world's land masses are slowing moving over time upper part of the mantle that layer of earth made up of the crust and upper mantle magnetic qualities "frozen" into rocks when they are formed showing the direction of the magnetic field at that time place where one plate gets pushed under another plate long, underwater mountain ranges describes how earth's plates move and what happens when they interact with each other boundary where two tectonic plates move in opposite directions alongside each other boundary where two tectonic plates are moving towards each other or colliding deepest part of the ocean; steep-sided canyon 1. lithosphere 2. asthenosphere 3. convergent boundary 4. divergent boundary 5. transform boundary 6. mid-ocean ridge 7. ocean trench 8. paleomagnetism 9. continental drift 10. plate tectonics 11. convection 12. gravity 13. tectonic plate 14. subduction zone 15. pangaea circulating flow of a gas or liquid due to density differences force that pulls objects towards the earth super-continent made of all the continents that existed millions of years ago boundary where two tectonic plates are moving away from each other section of the lithosphere that slowly moves over the asthenosphere, carrying pieces of continental and oceanic crust idea that the world's land masses are slowing moving over time upper part of the mantle that layer of earth made up of the crust and upper mantle magnetic qualities "frozen" into rocks when they are formed showing the direction of the magnetic field at that time place where one plate gets pushed under another plate long, underwater mountain ranges describes how earth's plates move and what happens when they interact with each other boundary where two tectonic plates move in opposite directions alongside each other boundary where two tectonic plates are moving towards each other or colliding deepest part of the ocean; steep-sided canyon 1. lithosphere 2. asthenosphere 3. convergent boundary 4. divergent boundary 5. transform boundary 6. mid-ocean ridge 7. ocean trench 8. paleomagnetism 9. continental drift 10. plate tectonics 11. convection 12. gravity 13. tectonic plate 14. subduction zone 15. pangaea match the correct unit 4 vocabulary word to the correct definition. question 1 options: circulating flow of a gas or liquid due to density differences force that pulls objects towards the earth super-continent made of all the continents that existed millions of years ago boundary where two tectonic plates are moving away from each other section of the lithosphere that slowly moves over the asthenosphere, carrying pieces of continental and oceanic crust idea that the world's land masses are slowing moving over time upper part of the mantle that layer of earth made up of the crust and upper mantle magnetic qualities "frozen" into rocks when they are formed showing the direction of the magnetic field at that time place where one plate gets pushed under another plate long, underwater mountain ranges describes how earth's plates move and what happens when they interact with each other boundary where two tectonic plates move in opposite directions alongside each other boundary where two tectonic plates are moving towards each other or colliding deepest part of the ocean; steep-sided canyon