Earth's Layers

Earth's inner core is

• a layer of hot rock
• a solid ball of iron and nickel
• a layer of liquid iron and nickel
• a layer of rock that forms Earth's outer skin
  

Which layer of the earth is a pure liquid?

• crust
• mantle
• outer core
• inner core

What layer is shown by letter A?

• Crust
• Mantle
• Outer core
• Inner core

What layer is shown by letter B?

• Crust
• Mantle
• Outer core
• Inner core

What layer is shown by letter C?

• Crust
• Mantle
• Outer core
• Inner core

What layer is shown by letter D?

• Crust
• Mantle
• Outer core
• Inner core

True or False.  The Earth's crust is made of rock

• True
• False

Landforms, such as mountains, valleys, and plains are shaped and changed over millions of years. These changes to Earth's surface include three processes. What are those processes?

• Weathering, Erosion, Deposition

• Weathering, Deposition, Sediment

• Sediment, Deposition, Shaping

• Weathering, Erosion, Sediment

What is the process called when there's moving of sediment from one place to another

• weathering

• sediment

• deposition

• erosion

What process is it when rocks break apart, wear away, or dissolve into smaller particles, or when the materials in the rock are changed?

• erosion

• weathering

• deposition

• downstream