Download Igneous rock

Limewater – a solution of calcium hydroxide that turns milky when carbon
dioxide is bubbled through it.
Magma – molten rock inside the Earth’s crust.
Marble – metamorphic rock, mostly calcium carbonate, formed from
limestone or chalk.
Metamorphic rock – rock formed the action of very hot temperature and
pressure on other rocks.
Neutralisation reaction – reaction in which a base or alkali reacts with an acid.
Quarry – shallow mine on the Earth’s surface from where rocks are removed.
Precipitate – insoluble solid formed when two solutions are mixed together
and a precipitation reaction occurs.
Precipitation reaction – a reaction in which an insoluble product is formed
from soluble reactants.
Product – substance formed by a chemical reaction.
Rate – how quickly something happens.
Reactant – substance used up in a chemical reaction.
Solidifies – to become solid.
Soluble – substance which dissolves in a given substance.
State symbols – letter or letters to show the state of a substance e.g. (g) for
gas)
Thermal decomposition – reaction in which one substance breaks down when
heated to form two or more new substances.
Word equation – description of a reaction using the names of the reactants
and products.