PLATE
TECTONICS
TECTONICS
Continental Drift
Which plate boundary makes mountains?
Convergent Boundaries
An organism that makes it's own food
What is Newtons First Law of Motion (Inertia)?
Objects at rest stay at rest and objects in motion stay in motion unless acted upon by an unbalanced force
What is the Earth's outer solid layer called?
The lithosphere
Wegener believed the continents were once joined together in a supercontinent what is this called?
Pangea
What is a Divergent Boundary?
When two plates move away from eachother
How much energy is lost at each level?
Approximately 10%
What is a force that causes a change in motion?
An unbalanced force
Where is the youngest rock layer located?
The top layer
Identical fossils and rocks, the continents fitting together, and identical mountain ranges across oceans
What is a Transform Boundary?
When two plates slide past each other
What are preserved remains of an organism?
Fossils
What force is equal and does not cause motion?
What is rock formed by layers for sediment?
Sedimentary rock
What causes plate tectonics to move?
Convection Currents in the mantle
What is a Convergent Boundary?
When two plates move towards each other
Why does energy decrease in an energy pyramid?
Energy is lost at every level
What force pulls objects to the Earth?
Gravity
What law states that the youngest rocks are on top and the oldest are on the bottom?
The Law of Superposition
What are Plate Tectonics made of?
The lithosphere (Earths Crust)
What are the 3 plate boundaries?
Convergent,Divergent,and Transform
What role do decomposers play?
Decomposers break down dead organisms into nutrients
A ball rolling at constant speed is an example of
Unbalanced Forces
Where are the oldest rock layers located?
The bottom layer