 Which of the following processes would be involved in the formation of a sedimentary rock? A. melting B. cooling C. heat and pressure D. compaction and cementation

 Which of the rocks in the table above is most likely a metamorphic rock? A. Pumice B. Rock X C. Rock Y D. Rock Z RockColorCharacteristicsDensity PumiceTanNo LayersLeast Dense Rock XBlackLayersMost Dense Rock YPinkNo LayersLess Dense Rock Z Gray and whiteLayersLess Dense

 Generally, a rock is made up of A. large crystals B. a mixture of minerals and other materials C. small crystals D. only organic material

 Bailey found a rock. His teacher told him that it was obsidian, a rock that is formed when lava is quickly cooled by water. What classification of rock is obsidian? A. foliated rock B. igneous rock C. metamorphic rock D. sedimentary rock

 Regina was amazed when she visited the Grand Canyon. The canyon was built of many layers of rock that had been formed over time. Their tour guide pointed out that the layers were formed when materials built up in warm, shallow seas which no longer exist! She learned that this land was pushed up 75 million years ago and became mountains. What classification of rock was the tour guide describing? A. extrusive igneous B. intrusive igneous C. metamorphic D. sedimentary

 Which of the following is NOT a sedimentary rock? A. Conglomerate B. Granite C. Limestone D. Sandstone

 Heat and Pressure deep beneath the Earth’s surface can change any rock into A. igneous rock B. sedimentary rock C. metamorphic rock D. gemstones

 Igneous rock that formed from lava that erupted onto Earth’s surface is called A. intrusive B. extrusive C. sedimentary D. nonfoliated