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?
An igneous rock has a large amount of feldspar. Feldspar can be used to classify the rock based on which characteristic?
Which two materials form igneous rocks upon cooling?
Which phrase describes an extrusive rock?
Which type of rock forms when molten material cools and hardens inside Earth?
Which mineral is commonly found in igneous rocks?
An igneous rock is found on the ground and has no identifiable crystals. What is the most likely origin of this rock?
How are rocks that cooled within magma chambers found on Earth’s surface today?
An igneous rock is light in color and has extremely coarse grains. What is the most likely origin of the rock?
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