Earth's Resources and Earth's Interior

Revision sheet excerpt

Course Outline

  1. Types of Rocks
  2. Earth's Core Composition
  3. Carbon Dioxide Removal
  4. Greenhouse Effect
  5. Atmospheric Oxygen Percentage
  6. Water Vapour Condensation
  7. Earth's Resources Types
  8. Finite Resources
  9. Renewable Resources
  10. Sustainability Principles
  11. Natural Resources
  12. Synthetic Resources

1. Types of Rocks

Key Concepts & Definitions

  • Igneous Rock: Rocks formed from cooled and solidified magma or lava. Example: granite, basalt.
  • Sedimentary Rock: Rocks formed from the accumulation and compression of mineral and organic particles, often in layers. Example: sandstone, limestone.
  • Metamorphic Rock: Rocks that have been transformed by heat, pressure, or chemically active fluids without melting. Example: marble, slate.
  • Magma: Molten rock beneath the Earth's surface that can cool to form igneous rocks.
  • Lava: Magma that has erupted onto the Earth's surface, cooling to form igneous rocks.
  • Foliation: The layered or banded appearance in some metamorphic rocks caused by pressure.

Essential Points

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Quiz preview

1. What is an igneous rock?

2. What is the primary composition of the Earth's inner core?

3. What are the primary materials composing Earth's inner core as confirmed by seismic studies?

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Flashcards preview

Types of Rocks — main types?

Igneous, sedimentary, metamorphic.

Rock types — main categories?

Igneous, sedimentary, metamorphic.

Earth's core — main elements?

Iron and nickel.

Earth's inner core — composition?

Solid iron and nickel.

CO₂ removal — purpose?

Reduce atmospheric greenhouse gases.

Sedimentary rock formation?

Deposition and compression of sediments.

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