ESS.SCI.8.D

Describe how heat and rock composition affect density within Earth's interior and how density influences the development and motion of Earth's tectonic plates.

Earth Systems Science · Texas Essential Knowledge and Skills (TEKS) · TEKS 2022

Standard Unwrapping

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Vocabulary
heatrock compositiondensityEarth's interiortectonic platesdevelopmentmotion
Skills
  • describe (how heat and rock composition affect density within Earth's interior) #dok2
  • explain (how density influences the development of Earth's tectonic plates) #dok3
  • explain (how density influences the motion of Earth's tectonic plates) #dok3
  • analyze (the relationships among heat, rock composition, density, and plate tectonics) #dok4
Learning Targets
  • I can identify how differences in heat and rock composition exist within Earth's interior. #dok1
  • I can describe how changes in heat and rock composition affect the density of materials inside Earth. #dok2
  • I can explain how density differences influence the development of tectonic plates. #dok3
  • I can explain how density differences influence the motion of tectonic plates. #dok3
  • I can analyze the relationships among heat, rock composition, density, and the processes that drive plate tectonics. #dok4
Big Ideas
  • Density differences within Earth's interior, driven by variations in heat and rock composition, are fundamental to the formation and movement of tectonic plates.
  • The interplay between heat, rock composition, and density in Earth's interior directly impacts geologic phenomena such as plate tectonics.
Essential Questions
  • How does the amount of heat inside Earth influence rock density and tectonic plate movement?
  • In what ways do differences in rock composition affect the development and behavior of tectonic plates?
  • Why does density play a critical role in the movement of Earth's tectonic plates?
  • How are heat, rock composition, and density related in Earth's interior?
  • What geologic features or events can be explained by the relationships among heat, rock composition, and density within Earth?