Rocks
The process of breaking down rocks.
What is weathering?
When water freezes in the cracks of the rock
and causes the rock to split.
What is frost wedging?
When rocks are changed into a new substance.
What is chemical weathering?
Large underground cavities.
What are caves?
Largest and smallest soil particles.
What is sand and silt?
Rock that forms from sediment.
What is sedimentary?
when water underneath a rock freezes
and pushes the rock upward
What is frost heaving?
Rain that contains sulfuric and carbonic acid.
What is acid rain?
Cave formations that hang from the ceiling.
What are stalactites?
Soil particle that is powdery, allows air and water to mix
What is silt?
Rock that forms when melted rock cools and hardens.
What is igneous?
A shift in the ground releases rocks so they
expand and crack
What is pressure release?
Plants that do not have true roots and grow
on rocks.
What are lichens?
Cave formations that grow up from the ground.
What are stalagmites?
Layer of humus above the top soil
What is O horizon?
Type of rock that forms by changing an existing rock with heat or pressure.
What is metamorphic?
The grinding away when rocks rub against
other rocks or particles.
What is abrasion?
Define chemical weathering .
What is changing the rock into a new substance?
People who explore caves.
What are spelunkers?
Lowest level, unweathered parent material
What is bedrock or R horizon?
Theory of rock changing from one type to another.
What is Rock Cycle?
What is the process of breaking down rocks into smaller pieces?
When oxygen in the air combines with iron,
forming rust.
What is oxidation?
Beautiful calcite formations in caves.
What are speleothems?
Multiple layers of soil
What is horizons?