Which phrase describes an extrusive rock?
Which property is used to identify the origin of an igneous rock?
Which trait is common to rocks formed from magma trapped inside a volcano?
An igneous rock is found on the ground and has no identifiable crystals. What is the most likely origin of this rock?
Which mineral is commonly found in igneous rocks?
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?
An igneous rock has small, dark crystals. Which statement also accurately describes this rock?
Which type of rock forms when molten material cools and hardens inside Earth?
Which phrase describes a feature of igneous rocks that cool quickly during formation?
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