What is a Geode? The term geode is derived from the Greek word for “Earthlike” and refers to a hollow rock with a crystal-lined cavity. These rocks may range in…
Russell’s Paradox is a logical paradox about sets, discovered by the philosopher and mathematician Bertrand Russell in 1901. What is a Set? A set is any collection of objects or…
What Is Transform Boundary? Transform boundaries occur where the Earth’s tectonic plates slide past each other horizontally along transform or strike-slip faults. Unlike divergent (constructive) and convergent (destructive) plate boundaries,…
Gneiss
by S.T. Squad
What Is Gneiss? Gneiss (from German; pronounced “nice”) is a foliated, high-grade metamorphic rock with a characteristic, banded texture. This texture can be clearly seen in the image below. Gneiss…
Chemical Weathering Definition Chemical weathering is the process of chemical alteration to rocks and minerals due to exposure to air, water, or acid, resulting in dissolution of minerals into water…
What is a Conjugate Base? A conjugate base, according to the Bronsted-Lowry theory of acids and bases, is the species in a reaction that donates a proton during the chemical…
What is a Conjugate Acid? A conjugate acid, as defined by the Bronsted-Lowry theory of acids and bases, is the species that accepts a hydrogen proton during a chemical reaction.…
What is a Closed System? In science, a closed system is a system that doesn’t allow matter from outside environments to enter its space. It does not have interactions with…
What is a Chemical Reaction? A chemical reaction is the process of elements changing their structures and combining to form different byproducts and reactants. This change makes new chemical profiles…
What is a Chemical Formula? A chemical formula is a method of expressing the components of an element or molecule in a way that can be easily notated and understood.…