What are the three main types of rocks?

• Igneous, Sedimentary, Metamorphic

• Volcanic, Plutonic, Chemical

• Granite, Basalt, Sandstone

• Scoria, Pumice, Obsidian

Which type of rock is formed from the compaction and cementing together of sediments?

• Igneous rock

• Metamorphic rock

• Sedimentary rock

• Volcanic rock

What is the characteristic property used to identify rocks?

• Shape

• Hardness

• Texture

• Color

Which type of rock is formed by changes in pre-existing rocks under high temperature and pressure?

• Metamorphic rock

• Igneous rock

• Sedimentary rock

• Volcanic rock

What are the two types of igneous rocks?

• Intrusive and Extrusive

• Obsidian and Pegmatite

• Scoria and Pumice

• Granite and Basalt

Which type of rock is formed from mechanical weathering debris?

• Metamorphic rock

• Igneous rock

• Chemical sedimentary rock

• Clastic sedimentary rock

What are the common types of volcanic or extrusive igneous rocks?

• Granite, Pegmatite, Cyanide

• Quartzite, Marble

• Scoria, Pumice, Obsidian

• Slate, Phyllite, Schist

Which type of rock is formed in an environment with either directed pressure or shear stress?

• Foliated metamorphic rock

• Non-foliated metamorphic rock

• Sedimentary rock

• Igneous rock

What are the processes involved in the formation of rocks?

• Deposition, Uplift, Erosion

• Evaporation, Sublimation, Condensation

• Melting and Cooling, Weather and Erosion, Heat and Pressure

• Compaction and Cementation, Precipitation, Crystallization

Which type of rock is formed by the solidification of molten material or magma?

• Volcanic rock

• Igneous rock

• Metamorphic rock

• Sedimentary rock