Word Root of usual. The Latin word Å«tÄ«, meaning âto use,â âto possess,â or âto enjoy,â and its form Å«sus give us the roots ut and us. Words from the Latin Å«tÄ« have something to do with use. To use is to possess and enjoy. To abuse is to use something incorrectly or unfairly.
Igneous Rock Facts. Enjoy our igneous rock facts for kids. Find interesting information and a range of examples that help explain what igneous rocks are and what makes them different from other kinds of rocks. Igneous rock is formed when magma cools and solidifies, it may do this above or below the Earth's surface. Magma can be forced into rocks, blown out in volcanic explosions or forced to the surface as lava. The atoms and molecules of melted minerals are what make up magma.
Types of Igneous Rocks. An igneous rock is formed by the cooling and crystallization of molten rock. The term igneous is derived from ignius, the Latin word for fire.Scientists have divided igneous rocks into two broad categories based on where the molten rock solidified.ypes of Igneous Rocks. An igneous rock is formed by the cooling and crystallization of molten rock. The term igneous is derived from ignius, the Latin word for fire.