How many layers does our Earth have?
Four
What is a plate boundary?
The three types of rocks in the rock cycle.
What is sedimentary, metamorphic, and igneous?
Preserved remains of plants and animals from the past.
What is a fossil?
When broken down pieces of Earth's material are dropped in a new place as sediment.
What is deposition?
The two outer layers of the Earth.
What is crust and mantle?
This boundary occurs when two plates move away from each other.
What is divergent?
This rock is formed by heat and pressure.
Metamorphic rocks
When solid rocks on Earth's surface are broken down into smaller pieces.
What is weathering?
What 2 natural disasters can occur at a fault line of two plate boundaries?
What are earthquakes and volcanos?
As you move deeper into the Earth's surface, _____________ and _____________ increase.
What is pressure and temperature?
Cracks in the Earth's crust where plates have been moving.
What is a fault?
How are igneous rocks formed?
When magma or lava cools and hardens
The crust and mantle are mostly made up of these materials.
Rocky material
This is an example of...
What is weathering?
The outer and inner core of Earth are mostly made up of these two metals.
What is iron and nickel?
Boudary that occurs when plates slide past each other.
What is a transform boundary?
How are sedimentary rocks formed?
When layers of rock are broken down and cemented together over time.
What are the two inner layers of the Earth.
What is the outer and inner core?
This is an example of ....

What is erosion?
This causes material to move on and below the Earth's surface.
What is Earth's thermal energy?
Boundary that occurs when plates move toward each other.

What is a convergent boundary?
Describe the 3 steps of the rock cycle.
Melting and cooling, heat and pressure, breakdown and cementation
When natural forces such as wind, water, and gravity move weathered materials from one place to another.
What is erosion?
The Earth's inner core is _______ due to the intense amount of heat and pressure.
Hint: what phase of matter is it in?
Solid