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
Name 2 types of Earth's Crust
Continental
Oceanic
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.
Hot fluid is _______________ dense than cold fluid, and therefore, will _______________________.
Less; rise
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 is the difference between magma and lava?
Magma- inside
Lava- outside
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
The mantle makes up what % of the Earth?
68%
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?
How do we know about the outer core if we never saw it?
Seismic waves
Soil quality impacts plant growth, which affects animal life - includes which two spheres?
Geosphere and Biosphere
Which layer is the hottest layer?