Which phrase describes a feature of igneous rocks that cool quickly during formation?
An igneous rock has a large amount of feldspar. Feldspar can be used to classify the rock based on which characteristic?
Which mineral is commonly found in igneous rocks?
How are rocks that cooled within magma chambers found on Earth’s surface today?
How do intrusive rocks form?
Which feature is used to classify a rock based on its composition?
Which phrase describes an extrusive rock?
An igneous rock has small, dark crystals. Which statement also accurately describes this rock?
Which two features of igneous rocks are determined by their cooling rate?
Which type of rock forms when molten material cools and hardens inside Earth?
An igneous rock is found on the ground and has no identifiable crystals. What is the most likely origin of this rock?
Which two materials form igneous rocks upon cooling?
How are extrusive rocks formed?
Which trait is common to rocks formed from magma trapped inside a volcano?
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