Earth's Structure 2.1

Molten rock that reaches earth surface is called?

• lava
• liquid fire
• magma
• sedimentary rock

What layer of the Earth is liquid?

• Mantle
• Outer Core
• Inner Core
• Crust

Which sphere is a thin layer of gases?

• Biosphere
• Geosphere
• Hydrosphere
• Atmosphere

How is sediment made?

• magnetic field
• weathering and erosion
• volcanoes
• heat and pressure

What is the outer most layer of the Earth?

• Inner Core
• Crust
• Outer Core
• Mantle

Which layer of the Earth includes the ocean floor?

• mantle
• outer core
• crust
• inner core

When heat and pressure is applied to a rock it changes into a _______ rock.

• igneous
• clastic
• sedimentary
• metamorphic

Magma becomes a sedimentary rock through which processes?

• volcanic activity, weathering and erosion, deposition
• deposition, weathering, volcanic activity
• melting, weathering and erosion, heat and pressure
• melting, heat and pressure, and weathering

When magma or lava cools it turns into what type of rock?

• organic
• sedimentary
• igneous
• metamorphic

Pieces of skeletons and shells broken through weathering and erosion are examples of?

• sand
• sediment
• soil
• magma