Compositional layers are based on ___.
what they are made of
Mechanical layers are based on how the layers ___.
behave under heat and pressure
Which sphere contains all living organisms?
biosphere
Which sphere contains a thin layer of gases the surrounds Earth?
atmosphere
What direction does heat flow?
From WARMER objects to COOLER objects.
(HOT to COLD)
Definition: Transfer of heat through electromagnetic waves.
Which type of heat transfer is this?
radiation
List Earth's 3 compositional layers (starting with the LEAST dense layer).
Crust --> Mantle --> Core
What layers is this?
lithosphere
Which sphere contains all liquid water?
hydrosphere
Which sphere contains Earth's frozen water?
cryosphere
What is heat?
Energy objects have due to the motion of their molecules.
Definition: Transfer of heat due to the collision of particles (direct touch).
What type of heat transfer is this?
conduction
What is Earth's core made of?
metal (iron and nickel)
Definition: Plastic-like layer made of molten rock.
What layer is this?
asthenosphere
Which sphere contains Earth's layers?
geosphere
Water provides a habitat for many different species.
Which two spheres are interacting?
hydrosphere and biosphere
When does heat stop flowing?
When both objects are the SAME TEMPERATURE.
Definition: Transfer of heat due to the movement of fluids.
Which type of heat transfer is this?
convection
Why is Earth's inner core solid?
extreme pressure
Which layer causes Earth's magnetic shield?
outer core
Gases emitted from volcanic eruptions.
Which two spheres are interacting?
geosphere and atmosphere
Water causes rocks to move down stream towards the ocean (erosion).
Which two spheres are interacting?
hydrosphere and geosphere
Which type of heat transfer heats the air above a campfire?

convection
The following images are examples of which type of heat transfer?

radiation
What happens to the density of Earth's layers the further down you travel?
density increases
(get more dense)
What is the difference between Earth's outer core and inner core?
The outer core is LIQUID and the inner core is SOLID.
Exchange of carbon dioxide and oxygen in plants during photosynthesis.
Which two spheres are interacting?
biosphere and atmosphere
In many parts of the world, the melting of ice and snow provides fresh water for lakes and rivers.
Which two spheres are stated in the interaction?
cryosphere and hydrosphere
Which type of heat transfer heats up a lava lamp?
convection
Touching a hot lava lamp is an example of which type of heat transfer?
conduction