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ROCKS!!!

Across
Sections of the Earth's crust that move due to convection currents.
How tightly packed the matter in a substance is.
A scientist who studies earthquakes and detects and interprets seismic waves
a scientist who studies the forces that make and shape planet earth
Alfred Wegener's idea that continents were joined as Pangaea & moved over time to current positions
thin lithospheric plates that are made of basalt and form from the ocean floor. (Denser than continental plates)
Process by which weathered rock and soil are moved from one place to another.
A type of rock that forms when particles from other rocks or the remains of plants and animals are pressed and cemented together
The chemical and physical processes that break down rock at Earth's surface.
The thin and solid outermost layer of the Earth above the mantle
Down
Formed by two continental plates colliding and forcing each other upwards.
Earth's thickest layer made of hot rock and is less dense than the core, less hot, and has less pressure on it. It also has plasticity
Surrounds a magnet and can exert magnetic forces
Earth's crust is divided into about a dozen large, drifting pieces called
The process by which magma cools and solidifies beneath the surface or after a volcanic eruption. The slower the process, the larger the crystals.
Layer of earth at center, composed of outer liquid layer and inner solid layer
A rigid layer made up of the uppermost part of the mantle and the crust.
A vent or fissure in the Earth's surface through which magma and gases are expelled
A type of rock that forms from an existing rock that is changed by heat, pressure, or chemical reactions
A type of rock that forms from the cooling of molten rock at or below the surface.