Layers
The outermost layer of the earth
What is the crust
Igneous rock is formed from lava once it is...
What is cooled?
The central part of the earth
What is inner core
These are the plates that the earth moves on
What is techtonic?
What do we call people who study fossils?
What are Paleontologists?
The layer just beneath the earth's crust
What is the lithosphere
Obsidian is what type of rock?
What is an igneous rock?
The part of the earth that is made of nickel
What is the inner core?
What does the word aquatic or marine mean?
What is water?
Fossils found in deeper layers of rock are _______than fossils found in shallower layers of rock.
What are older?
The thinnest layer of the earth
What is the crust
Shale is a sedimentary rock. For shale to change into slate, which is a metamorphic rock, what processes have to occurs
What is heat and pressure?
This can be found at the bottom of a hill.
What is sediment?
The rock that is made up of layers
What is sedimentary?
How do fossils help us study the past?
Earth is composed of ______ layers.
What is 4
Once magma leaves a volcano, it is called this
What is lava?
The core is composed of what two elements
What is iron and nickel?
If layers of rock show marine fossils in older layers, what does this tell us?
What is the land was once covered with water?
What is the landscape of the area changed over time?
This is the thickest layer of the earth
What is the mantle?
Melted rock is called
What is magma?
What layer of the earth is made of hot molten liquid
What is the outer core?
Name the four layers of the earth
What are the crust, mantle, outer core and inner core
How do we know for a fact, and not a theory, that dinosaurs once existed?
Fossil remains have been found in the layers of the earth.