Written Work 3A: Rocks

How are rocks classified?

• chemical composition

• physical properties

• how they are formed

• grain size

Which of the following refers to how metamorphic rocks are formed?

• rocks being changed by temperature and pressure

• cooling and solidification of magma or lava

• pieces of rock and other solids getting cemented together over time

• other rocks breaking

Which shows the correct sequence on how sedimentary rocks are formed?

• Compaction-Cementation-Deposition

• Compaction-Deposition-Cementation

• Deposition-Cementation-Compaction

• Deposition-Compaction-Cementation

What is the difference between intrusive and extrusive igneous rocks?

• Extrusive igneous rocks are formed through cooling and solidification of magma while Intrusive igneous rocks are formed by the cooling and solidification of lava.

• Intrusive igneous rocks are formed through cooling and solidification of magma while Extrusive igneous rocks are formed by the cooling and solidification of lava.

• Intrusive igneous rocks are formed when pre-existing rocks get in contact with a heat source while Extrusive igneous rocks are formed through extreme pressure.

• Extrusive igneous rocks are formed when pre-existing rocks get in contact with a heat source while Intrusive igneous rocks are formed through extreme pressure.

Which type of rocks has thick, visible layers?

• Igneous Rock

• Sedimentary Rock

• Metamorphic Rock

Which type of rock forms from heat and pressure inside of the Earth?

• Igneous Rock

• Sedimentary Rock

• Metamorphic Rock

Which type of rock is formed from weathering and erosion?

• Igneous Rock

• Sedimentary Rock

• Metamorphic Rock

Which type of rock can have a glass-like surface?

• Igneous Rock

• Sedimentary Rock

• Metamorphic Rock

Which rock does NOT belong to the group?

• Sandstone

• Pumice

• Basalt

• Granite

Which of the following is an example of igneous rock?

• Schist

• Slate

• Granite

• Sandstone