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Questions and Answers
Which of the following is a measure of how much mass there is in a volume of a substance?
What causes the motion of tectonic plates?
Where does hot molten material in a convection cell rise near?
What is the theory that states Earth's lithosphere is broken up into separate plates that float on the mantle?
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What is the region in which one plate moves under another called?
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Which layer of the Earth is broken up into several pieces called plates that move slowly?
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What are the three types of plate tectonic boundaries?
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Which geologic event occurs at plate boundaries and is caused by the movement of tectonic plates?
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Study Notes
Plate Tectonics and Convection Currents
- Density is a measure of mass per unit volume and is influenced by temperature differences.
- Convection currents occur when there are variations in temperature, causing the movement of hot molten materials.
- The motion of tectonic plates is believed to be caused by convection currents in the mantle.
- The mantle is the layer beneath Earth's crust where hot molten material rises and sinks.
- Plate tectonics is the theory that Earth's lithosphere is divided into separate plates that float on the mantle.
- A subduction zone is the area where one plate moves beneath another plate.
- Convection currents are the motion of gas or liquid caused by temperature differences.
- Ridge push is a driving force for plate motion at mid-ocean ridges, where the rigid lithosphere slides down.
- Subduction is the process of one plate moving under another plate.
- The asthenosphere is the plastic-like upper portion of the mantle on which tectonic plates ride.
- The plate tectonic theory was developed in the 1960s and explains the movement of Earth's lithosphere plates and the geological events and features that occur at their boundaries.
- Plate tectonic boundaries include convergent, divergent, and transform fault boundaries.
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Description
Test your knowledge on density, convection currents, and the mantle with this quiz. Discover what causes convection currents, learn about the role of density in measuring mass, and delve into the fascinating world of the Earth's mantle. Challenge yourself with questions on these topics and enhance your understanding of these scientific concepts.
