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Slate splits into sheets and is used on roofs.
crystal
Convex . . . "curved out", like the outside of a balloon, the outside of a smooth hubcap, and the top of a half-eaten ice-cream cone. Concave . . . "curved in", like the top of the ice-cream in the tub after the first five cones have been scooped out, the mark a rock makes in snow, and the inside of a soup bowl.
ROCK
3kg rock = 3000 g rock; so it is heavier because it weighs more. hoping kids use this!
The fracturing of rock along curved lines that results when pressure is removed from bedrock is called fracking.
erousion
creep
This may be a fault breccia or cataclasite which is formed by the fracturing of rocks during fault movement.
Fracturing increases the surface area of a rock exposed to weathering.
When drilling a gas well, fracturing is the process of forcing a dense liquid into the rock to break it up (fracture it) and thus release the gas and make it more readily collected.
The earthquakes are generated by magma forcing its way though and fracturing rock.
Exfoliation
Exfoliation.
arch
gravity
that's a method used to create fractures that extend from a borehole into rock formations,which are typically maintained by a proppant.