Weathering
The process in which rocks break down.
What is Weathering?
Oxygen mixing with metal in rock minerals...causing rust.
What is Oxidation?
Wetness and dryness cause rocks and minerals to break down.
What is Water?
Dissolves materials faster than plain water.
What is acid?
This worm causes a lot of weathering.
What is the earthworm?
Mechanical and Chemical
What is the types of Weathering?
Like moss and lichen release chemicals that break down rocks.
What is Plants?
Split apart rocks as water goes into cracks and freezes.
What is Frost Wedging?
Forms when small amounts of certain gases mix with water in the atmosphere.
What is Acid Precipitation?
Burrowing in the soil causes mechanical weathering.
What is "all animals"?
Occurs when chemical reactions take place between rock grains.
What is Chemical Weathering?
Caused by pollutants mixing with rain forming acid to dissolve rocks.
What is Acid Rain?
Cause rocks to break when roots grow and digging happens.
What is Plants and Animals?
Contains weak acids.
What is groundwater?
Animal that causes mechanical weathering, starts with the letter "C".
What is a coyote?
Does not change the composition of rocks.
What is Mechanical Weathering?
Water can react with different minerals that make up a rock to change the makeup of the rock.
What is Water and Minerals?
Occurs when forces break rocks and minerals into smaller pieces.
What is Mechanical Weahering?
These things make acids weak in their bodies.
What is "all living things"?
Animal that causes mechanical weathering, starts with the letter "M".
What is a mice?
Does change the chemical composition of rocks.
What is Chemical Weathering?
Agents found in Chemical Weathering.
What are water, acids, and air?
Wind-blown sand chips away tiny bits of rock, also known as abrasion.
What is Wind?
Acid Precipitation content is more than normal in these elements.
What is rain, sleet, or snow?
Animals that cause mechanical weathering, starts with the letters "A", "W", "R".
What are ants, worms, and rabbits?