| A | B |
| Molten rock underground | magma |
| Molten rock above ground | lava |
| Metamorphic rocks that show banded minerals are ___. | foliated |
| Rocks made of fragments are ___. | clastic |
| Igneous rocks that form underground are ___ rocks. | intrusive |
| Igneous rocks that form above ground are ___ rocks. | extrusive |
| The concept that each type of rock can form other rocks is called the ___ ___. | rock cycle |
| The texture of an intrusive rock would be ___ - grained | large or coarse |
| The texture of an extrusive rock would be ___ - grained | fine or small |
| A rock is a mixture of ___. | minerals |
| A rock that will float on water | pumice |
| Limestone metamorphoses into ___. | marble |
| Sandstone metamorphoses into ___. | quartzite |
| Granite metamorphoses into ___. | gneiss |
| Shale metamorphoses into ___. | slate |
| Phyllite metamorphoses into ___. | schist |
| Slate metamorphoses into ___. | phyllite |
| Rock formed by heat and pressure. | metamorphic |
| Sediments compressed together. | compaction |
| A rock made up of large, rounded pebbles that are cemented together. | conglomerate |
| A black, glassy, igneous rock. | obsidian |
| An igneous rock made up of mica, feldspar, quartz, and hornblende. | granite |
| Process that breaks down rocks. | weathering |
| Process that transports rock particles by wind, water, or gramity. | erosion |
| Granite have the same composition but differ in their crystal ___. | texture |
| Texture and mineral ___ are used to classify igneous rocks. | composition |
| Another name for the mineral crystals in cooling magma or lava. | grains |
| As the depth into the earth's crust increases, the temperature ___. | increases |
| Force over a surface that flattens mineral grains into layers. | pressure |
| Rocks that form from lava or magma. | igneous |
| No rocks of this type will react to the hydrochloric acid test. | igneous |
| Hydrochloric acid will detect the presence of the mineral ___. | calcite |
| A rock formed after water evaporated away, leaving the minerals behind is a ___ rock. | nonclastic |
| A rock made up of broken sea shells cemented together is ___. | coquina |
| Rocks formed from sediments pressed or cemented together. | sedimentary |
| Bits of weathered rock, minerals, plands, and animals that have been eroded. | sediments |
| Different crystal sizes are due to variations in ___. | cooling |
| In a cooling magma, this mineral is the last to crystalize. | quartz |
| Silicate minerals contain the elements silicon and ___. | oxygen |
| Because of increased pressure at greater depths, the melting point of rocks ___. | decreases |