SCIENCE

• what are the 4 layers of the earth?

  CRUST, MANTLE, INNER CORE, AND OUTER CORE
• what are the two types of crust?

  OCEANIC CRUST AND CONTINENTAL CRUST
• what are the two types of mantle?

  UPPER MANTLE AND LOWER MANTLE
• what are the two layers of core?

  OUTER CORE AND INNER CORE
• what are the 5 layers of the atmosphere?

  TROPOSPHERE, STRATOSPHERE, MESOSPHERE, THERMOSPHERE, EXOSPHERE
• what are the 4 layers of the earth?

  CRUST, MANTLE, OUTER CORE, INNER CORE
• what are the two types of crust?

  OCEANIC CRUST AND CONTINENTAL CRUST
• what are the two layers of a mantle?

  UPPER MANTLE AND LOWER MANTLE
• what are the two layers of a core?

  OUTER CORE AND INNER CORE
• what are the 5 main layers based on physical properties and mechanical strength?

  LITHOSPHERE, ASTHENOSPHERE, MESOSPHERE (LOWER MANTLE), INNER CORE, OUTER CORE
• what is earth's interior characterized of?

  GRADUAL INCREASE IN TEMPERATURE, PRESSURE AS IT GETS DEPEER
• what does sima stands for?

  SILICATE AND MAGNESIUM
• what are the characteristics of a oceanic crust?

  THINNER, DENSER, AND SIMPLER IN STRUCTURE THAN THE CONTINENTAL CRUST
• what does the oceanic crust composed of?

  DARK, IGNEOUS ROCK CALLED BASALT
• what does a continental crust also called as?

  SIAL
• what is the bulk composition of a continental crust?

  ALUMINIUM SILICATES
• what are the characteristics of a continental crust?

  LOWER DENSITY
• what does the continental crust composed of?

  GRANITIC ROCKS AND ARE LESS DENSE THAN BASALT
• what are the two parts of a mantle?

  LITHOSPHERE AND ASTHENOSPHERE
• what does the lithosphere include?

  CRUST AND BRITTLE UPPER PORTION OF THE MANTLE
• how do you describe a lithosphere?

  COOLEST AND THE MOST RIGID LAYER
• what are the characteristics of a asthenosphere?

  DENSER, WEAKER LAYER BENEATH THE LITHOSPHERE MANTLE
• how do you describe a lower mantle?

  HOTTER AND DENSER
• what does a two layers of core composed of?

  LIQUID IRON AND NICKEL
• what does a Liquid Metal has?

  HAS A VERY LOW VISCOSITY (easily deformed)
• what does the churning metal of the outer core create?

  EARTHS MAGNETIC FIELD
• what is lithosphere?


  SPHERE OF ROCK
• where does the asthenosphere lies at?

  BENEATH THE LITHOSPHERE IN THE UPPER MANTLE, SOFT, COMPARATIVELY WEAK LAYER
• where does the mesosphere lies between at?

  RIGID LAYER