Soil
Soil is made from this
Organic matter
Forest fires contribute to this
What is erosion
This type of weathering is found in caves
What is chemical weathering?
This state of matter has a definite volume and indefinite shape
What is a liquid?
This type of rock forms when lava hits water
What is obsidian?
These are the particles of soil
What is sand, silt and clay
The process by which surface materials are broken down and transported.
What is erosion?
A chemical change is this type of weathering
This occurs when a gas becomes a liquid
What is condensation?
This is the hardest mineral on Earth
What is a diamond?
This particle of soil has the least porosity
What is clay
This type of erosion can break rock
What is frost wedging?
This agent of erosion can move and carve mountains
What is a glacier?
This element is found in signs
What is neon?
These are two types of mineral luster
What are glassy and metallic?
Wind erosion creates these features
What is a hoodoo?
This type of rock is found in sinkholes
What is limestone?
This particle of an atom moves and makes metals conductive
What defines a mineral
Worms add this to the soil
What is air space
This agent of erosion created the Grand Canyon
What is water?
This type of topography is found in caves
What is Karst topography?
These are two types of chemical bonds
What are ionic and covalent?
Minerals always exist in this state of matter
What is a solid?