Rocks and Rock Cycle Unit

Which phrase describes how metamorphic rocks form?

• form from melting

• form at Earth’s surface

• form from sediments

• form from existing rocks

Which statement best describes the formation of metamorphic rocks?

• Magma cools and crystallizes slowly beneath Earth’s surface.

• Liquid lava erupts from a volcano and cools quickly at Earth’s surface.

• Sand and gravel are deposited at the mouth of a river and, over time, form layers that solidify into rock.

• Ancient sandstone beaches become buried deep beneath Earth’s surface, where they are exposed to extreme heat and pressure.

Which process begins the formation of sedimentary rock?

• the movement of sediment

• the cementation of rock sediment

• the breakdown of rock into sediment

• the buildup of sediment in one location

An igneous rock floats because air bubbles became trapped when molten material erupted from an underground volcano.

How else can this rock be accurately described?

• intrusive

• extrusive

• large crystals

• coarse texture

An igneous rock has a coarse texture and is dark in color. How else can this rock be accurately described?

• small crystals

• cooled quickly

• produced from magma

• formed at Earth’s surface

Which type of rock is most likely to form because of high heat and pressure?

• igneous

• magma

• sediment

• metamorphic

Which substance would most likely form sedimentary rock?

• cooled lava

• melted rock

• changed igneous rock

• small pebbles

Tags

NGSS.MS-ESS1-4

This image shows the rock cycle.

Which event most likely occurs at point V?

• cooling

• erosion

• heating

• melting

Tags

NGSS.MS-ESS2-1

Which statement correctly describes a feature of the rock cycle?

• Rocks are preserved through the process.

• Rocks change from one type to another.

• Different rock groups are not related to one another.

• Rocks change from one type to another in a specific order.

Tags

NGSS.MS-ESS2-1

Study the image of this rock. Which characteristic best supports its formation from sedimentary processes?

• It has many layers.

• It is coarse-grained.

• Its grain shape is round.

• Its texture is non-banded.

Tags

NGSS.MS-ESS2-2