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Rocks and Weathering

Teacher: Mrs. Bearden
Across
Frozen water within rocks that widen and deepen cracks.
Layers of rock break off like an onion.
Similar processes that existed in the past still exist today.
Roots of trees or plants force cracks farther apart.
Rock is physically broken down into smaller pieces.
Causes rapid chemical weathering.
Most important type of chemical weathering.
A material that is full of tiny, connected air spaces that allow water to seep through.
Down
Rock is broken down due to chemical changes.
Iron combines with oxygen in water.
Makes rock soft and crumbly.
Gophers or moles break or loosen rocks in the soil.
The process that breaks down rock and other substances at Earth's surface.
The grinding away of rock by rock particles.
The transportation of sediment by wind, water, ice, or gravity.