_____ is dividing
DIVERGENT
_____ moves the plates as rising magma pushes at the mid-ocean ridge.
PRESSURE
_____ used to project sound waves to detect depths and sizes of objects. This allowed us to finally map the ocean floor!
SONAR TECHNOLOGY
He came up with the idea that the continents move because the ocean floor is getting wider.
HARRY HESS
Meteorologist who believed that the Earth was once a supercontinent called Pangaea. As time progressed these continents, moved and drifted apart.
ALFRED WEGNER
______ moves plates by pulling them down at subduction zones
GRAVITY
______ IS COLLIDING
CONVERGENT
______ is sliding past each other
TRANSFORMING
______ moves the plates by rolling them along like a conveyor belt
CONVECTION
The theory describing how Earth’s plates move and what happens when they interact with each other.
PLATE TECTONICS
A theory stating that the Earth's continents have been joined together and have moved away from each other at different times in the Earth's history
CONTINENTAL DRIFT
The continents of the Earth has cracks. These separate sections are called plates. How many plates are there? 10, 17, 20, 27?
17
