Which two materials form igneous rocks upon cooling?
An igneous rock is found on the ground and has no identifiable crystals. What is the most likely origin of this rock?
Which property is used to identify the origin of an igneous rock?
Which mineral is commonly found in igneous rocks?
An igneous rock is light in color and has extremely coarse grains. What is the most likely origin of the rock?
Which trait is common to rocks formed from magma trapped inside a volcano?
Which phrase describes an extrusive rock?
How are rocks that cooled within magma chambers found on Earth’s surface today?
Which phrase describes a feature of igneous rocks that cool quickly during formation?
Which two features of igneous rocks are determined by their cooling rate?
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