formation of the 3 rocks Flashcards
1
Q
igneous
A
Igneous rocks are formed when lava or magma cools, it creates crystals (being the igneous rock) however depending on where the cooling process occurs the sizes of the crystals can vary.
2
Q
sedimentary
A
sedimentary rocks are made up of sediments which are small particles of weathered rock or crystals that have been left behind due to evaporation
3
Q
metamorphic
A
metamorphic rocks are formed when intense heat and/or pressure change existing rocks. This can result in physical changes like overlapping and shearing
4
Q
what is shearing
A
it is the process of sliding differnt parts of a rock sideways.
