Physical and Chemical Weathering Crossword

Rocks soils and minerals being slowly broken down
Rocks being broken down into smaller pieces
Rubbing away by friction
Rain with increased acidity cause by environmental factors
Rocks formed under pressure deep within the earth becomes exposed at the surface
Rocks can be broken down in a land slide
Causes change in both the composition and appearance of rocks
Cracks in rocks expand as water seeps in and freezes
Oxygen in the air or water can cause chemical weathering
Chemicals are deposited by dropping water under ground
Found in caves formed upward from the ground
A plant can grow larger and roots can grow inside small cracks and put pressure on a rock
Digging burrows in the ground allowing rocks to be exposed
The process by which the outer layers of rocks slowly peel away
Carries small particles in the air
Can be rounded and smoothed as rocks are tumbled in water
Rocks containing iron can easily go under chemical weathering
Produce weak acids
Causes to expand and decrease
Physical disintegration of exposed rock without change in the chemical composition of the rock
Caused by substances that get into holes and cracks in rock and expand outwards
Process in which a rock absorbs water into chemical struco
Caused be carbonic acid in water reacting with and dregrading rock
Made up with minerals, crystalline structures
The process of causing something to absorb water
The outward expanding force of pressure
Caused when tree root grows around a rock
Physical and chemical processes that break down rock on earths surface
Dissolving minerals in water
Chemical compounds composed of iron and oxygen
The chemical element with the symbol O
A colorless transparent odorless liquid
Rocks break as water freezes in cracks
The loose covering of rock particles and decaying organic matter
The most common chemical weathering process