Layers of the Earth

1. What are the three main layers of the Earth based on composition?

• Crust, Mantle, Core

•  Lithosphere, Asthenosphere, Mesosphere

  
  

• Troposphere, Stratosphere, Thermosphere

  
  

•  Inner Core, Outer Core, Mantle

  
  

1. Which layer of the Earth is responsible for generating the planet's magnetic field?

• Mantle

  
  

•  Outer Core

• Crust

•  Inner Core

  
  

The Earth's crust is divided into large pieces called

• Mantle

• Plates

•  Outer Core

  
  

• Asthenosphere

  
  

1. In which layer do tectonic plates move and interact, causing earthquakes and volcanic activity?

•  Mantle

• Crust

•  Inner Core

  
  

• Outer Core

  
  

1. What is the state of matter in the outermost layer of the Earth, the crust?

• Solid

• Liquid

• Gas

• Plasma

The lithosphere is composed of the Earth's __________ and the upper part of the mantle.

1. Which layer is primarily composed of iron and nickel and is in a solid state?

• Crust

• Mantle

•  Outer Core

•  Inner Core

What is the temperature and pressure like in the Earth's innermost layer, the inner core?

•  High temperature, high pressure

  
  

• Low temperature, low pressure

  
  

•  High temperature, low pressure

  
  

•  Low temperature, high pressure

The movement of molten iron and nickel in the ____________ generates the Earth's magnetic field.

1. Which layer of the Earth is directly beneath the lithosphere and is partially molten, allowing for the movement of tectonic plates?

•  Asthenosphere

  
  

• Mesosphere

• Troposphere

• Stratosphere