Earth's Spheres
What does the biosphere include?
The biosphere includes living things and once-living things (plants, animals, fungi, and bacteria to name a few).
What is the outermost layer of Earth called?
The crust
What type of rock forms from cooled magma or lava?
Igneous Rock
Biosphere and geosphere
What is the thinnest layer?
The crust
What is the hydrosphere?
All the water on Earth, including oceans, rivers, lakes, and water vapor.
What layer of Earth lies beneath the crust?
The mantle.
What rock forms from heat and pressure?
Metamorphic Rock
Water vapor includes which two spheres?
Hydrosphere and Atmosphere
Which layer is a solid metal ball of iron?
The inner core
What is the atmosphere?
The layer of gases surrounding Earth (including water vapor, oxygen and nitrogen etc.).
What layer is below the mantle?
Outer core.
What rock forms from compaction and cementation?
Sedimentary Rock.
Humans polluting rivers - includes which two spheres?
Biosphere and hydrosphere
What is the thickest layer called?
The mantle.
What is the geosphere?
The solid part of Earth, including rocks, soil, and landforms.
Which layer is outside the inner core?
Outer core
An igneous rock can turn into a metamorphic rock under what process?
Heat and Pressure
Water erodes rocks and shapes landforms includes which two spheres?
Hydrosphere and geosphere
Which layer is made of liquid iron?
The outer core
Name one component of the biosphere.
Plants, animals, fungi, or microorganisms etc.
Which layer is the innermost layer?
Limestone forms from compaction and cementations. What type of rock is limestone?
Sedimentary Rock.
Soil quality impacts plant growth, which affects animal life - includes which two spheres?
Geosphere and Biosphere
Which layer is the hottest layer?