Rock Classification

This rock is formed in layers.

• Sedimentary

• Igneous

• Metamorphic

Tags

NGSS.MS-ESS1-4

Fossils are often found in this rock.

• Sedimentary

• Igneous

• Metamorphic

Tags

NGSS.MS-ESS2-3

NGSS.MS-LS4-1

These rocks usually have wavy lines.

• Sedimentary

• Igneous

• Metamorphic

Tags

NGSS.4-ESS1-1

What kind of rock is "Granite"?

• Sedimentary

• Igneous

• Metamorphic

Tags

NGSS.4-ESS1-1

Identify this type of rock. 

• igneous
• metamorphic
• sedimentary

A geologist finds 2 rocks (A and B) while on a dig.

How should each rock be classified?

• Rock A is igneous; Rock B is sedimentary

• Rock A is igneous; Rock B is metamorphic

• Rock A is metamorphic; Rock B is sedimentary

• Rock A is metamorphic; Rock B is igneous

1. Hot magma flowing out from a volcano contains materials that cools down to form igneous rock. Which rock is igneous?

• Granite

• Limestone

• Marble

• Sandstone

A teacher displays 2 types of rocks labeled 1 and 2. The teacher explains that rock 1 was formed by the deposition of silt, sand, and mud for a long period of time, and rock 2 is formed by the cooling of magma.

How are these 2 rocks classified?

• Rock 1: igneous; Rock 2: sedimentary

• Rock 1: metamorphic; Rock 2: igneous

• Rock 1: metamorphic; Rock 2: sedimentary

• Rock 1: sedimentary; Rock 2: igneous

Which statement is an inference about the rock?

• The rock formed near water

• The rock is composed of fossilized clam shells

• The rock is made of compacted sediment

• The rock is rough

Which characteristics can help a student classify a rock as igneous, sedimentary, or metamorphic?

• How the rock forms and patterns on the rock

• The size of the rock and how much dirt is on the rock

• How the rock forms and the size of the rock

• Patterns on the rock and how much dirt is on the rock