Unit 6 Review - Science TEKS 7.10A&B

What is the term for the circular flows of material, generally liquids or gases, caused by temperature differences?

• Seafloor spreading

• Convection currents

• Supercontinent

• Tectonic plates

Which term describes the separation of two oceanic plates that results in the formation of new oceanic crust at mid-ocean ridges?

• Superposition

• Climate

• Seafloor spreading

• Continental drift theory

What is a giant landmass composed of most or all of Earth's land called?

• Supercontinent

• Mid-ocean ridge

• Plate tectonic theory

• Convection currents

What term refers to the general weather of a particular area over a long period of time?

• Superposition

• Climate

• Tectonic plates

• Pangaea

Which theory states that Earth's surface is broken into large slabs of rock, whose movements cause the formation of various landforms?

• Continental drift theory

• Plate tectonic theory

• Seafloor spreading

• Supercontinent

What are large slabs of rock into which Earth's lithosphere is divided called?

• Convection currents

• Tectonic plates

• Superposition

• Climate

Which theory states that Earth's continents were once joined together as one supercontinent called Pangaea?

• Plate tectonic theory

• Superposition

• Continental drift theory

• Seafloor spreading

What is the geologic principle stating that as undisturbed rock layers form, younger rock layers sit on top of older rock layers?

• Superposition

• Convection currents

• Mid-ocean ridge

• Supercontinent

What is Pangaea?

• A type of fossil

• An underwater mountain belt

• The huge landmass or supercontinent Earth's seven continents once formed

• A type of rock layer

What is a mid-ocean ridge?

• A preserved remain of extinct organisms

• An underwater mountain belt formed by seafloor spreading

• A type of rock layer

• A large landmass