An igneous rock is found on the ground and has no identifiable crystals. What is the most likely origin of this rock?
Which phrase describes a feature of igneous rocks that cool quickly during formation?
Which two materials form igneous rocks upon cooling?
Which type of rock forms when molten material cools and hardens inside Earth?
An igneous rock is light in color and has extremely coarse grains. What is the most likely origin of the rock?
How are extrusive rocks formed?
Which trait is common to rocks formed from magma trapped inside a volcano?
Which property is used to identify the origin of an igneous rock?
Which phrase describes an extrusive rock?
How do intrusive rocks form?
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 two features of igneous rocks are determined by their cooling rate?
Which feature is used to classify a rock based on its composition?
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