Rocks are broken down into smaller pieces by the process of weathering and erosion.
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RADIATION: Both conduction and convection require matter to transfer heat. ... Thermal radiation (often called infrared radiation) is a type electromagnetic radiation (or light). Radiation is a form of energy transport consisting of electromagnetic waves traveling at the speed of light.
Magma. Magma can be made of many different materials, and once it breaches the earth surface it is called lava. Lava is what comes out of volcanoes, magma is what is still underground