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WorksheetsGeologic Processes
Total questions: 20
Worksheet time: 15mins
What rock type is made from extreme heat and pressure?
Sedimentary
Igneous
Metamorphic
What rock type is made from cooling lava?
Sedimentary
Igneous
Metamorphic
The theory that says Earth's continents once made up an ancient supercontinent, and have been drifting apart ever since, is called the theory of...
Pangea
Plate Tectonics
Natural Selection
Gravity
Oceanic Trenches are formed by _______ plate boundaries
Convergent
Transform
Plate
Divergent
How is it possible for new crust to be formed without increasing the surface area of the Earth?
Crust is destroyed at the same time it is created
New crust is underwater where it sinks
New crust breaks more easily than old crust
Which of the following occurs because of convection currents?
Tectonic plates on the crust move.
The mantle increases in size.
Pressure in the crust increases.
Pressure in the crust decreases.
Where does the heat come from that drives this convection current in the mantle?
The sun
The crust
the mantle
the core
During sea floor spreading, molten material rises up from the mantle...
along the continents
at the mid ocean ridges
deep ocean trenches
at north and south poles
The Great Rift Valley in Africa and the Mid-Ocean Ridge were all created by this boundary
Divergent
Convergent
Reform
Transform
