The structure of the earth

• What are the three layers of the Earth?

  Crust, mantle, and core
• What is the composition of the Earth's crust?

  It is made of solid rock
• Where do the oceans and continents lie?

  On top of the crust
• What is the mantle made of?

  Molten or semi-molten rock called magma
• How is magma moved in the mantle?

  By currents like bubbles in boiling water
• What is the core of the Earth made of?

  Iron and nickel
• What is the temperature of the Earth's core?

  6,000 °C
• How can the core be divided?

  Into the inner core and outer core
• What are the key terms related to Earth's layers?

  • Plate
  • Plate boundary
  • Convection currents
  • Destructive
  • Subduction
  • Constructive
  • Sea-floor spreading
• What can you do regarding the layers of the Earth?

  • Name the layers
  • Describe the layers