Rocks Quiz

Halite is made when a body of seawater becomes closed off and evaporates and salt precipitates out and is deposited as crystallized halite. What type of sedimentary rock is formed?

• Clastic

• Chemical

• Organic

• Pyroclastic

Igneous rock is divided into two groups, extrusive and intrusive. Extrusive igneous rocks form when magma makes its way to its surface as lava and the cools forming rocks. Which of the following will be the characteristics of the crystals?

• Crystals are coarse-grained.

• Crystals are fine-grained.

• Crystals are very large.

• Crystals are phaneritic

Regional metamorphism occurs due to changes in pressure and temperature over a large region of the crust. It may happen when rock is buried deep below the surface or where pieces of the Earth's crust collide. Which is a metamorphic rock?

• Breccia

• Conglomerate

• Marble

• Sandstone

Igneous and metamorphic rock can be buried and undergo tremendous heating and stress. What is the process of transformation of one rock type into another?

• Compaction

• Lithification

• Metamorphism

• Weathering

What type of rocks are formed from sediments over long period of time?

• Igneous Rocks

• Sedimentary Rocks

• Metamorphic Rocks

• Minerals

Which of the following is classified as igneous rock?

• Limestone

• Coal

• Sandstone

• Granite

Which of the following is classified as metamorphic rock?

• Dolomite

• Calcite

• Sandstone

• Granite

Which of the following is classified as sedimentary rock?

• Marble

• Pumice

• Chalk

• Quartz

Which of the following is true about rocks?

• Rocks are composed of only one mineral.

• Most rocks are a mixture of minerals.

• Rocks do not contain minerals.

• Coal is not considered a rock.

Fossils are found on this type of rocks.

• Extrusive igneous rock

• Intrusive igneous rock

• Metamorphic rock

• Sedimentary rock