Rock Classification

What are the 3 major types of rocks?

• Igneous, Metamorphic, Sedimentary
• Metamorphic, Igneous, Cementation
• Brown, Red, Gray
• Streak, Hardness, Breakage

When you are describing the sizes of the mineral grains in a rock, you are detailing the rock's _____

• Texture
• Composition
• Sedimentation
• Igneous-ness

This rock formed when bits of other rocks became pressed into a solid. What type of rock is it?

• Sedimentary Rock
• Metamorphic Rock
• Igneous Rock

This rock was formed when magma cooled very slowly inside the Earth. What specific type of rock is it?

• Intrusive Igneous Rock
• Extrusive Igneous Rock
• Foliated Metamorphic Rock
• Clastic Sedimentary Rock

Extreme Heat and Pressure creates a _________ rock.

• Igneous
• Metamorphic
• Sedimentary
• Mineral

magma that flows onto the surface

• Lava
• sedimentary
• metamorphic

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-2

Intrusive rocks

• Forms at earth's surface
• Has a fine-grained texture
• Forms underground

Extrusive rocks

• Forms underground
• Has a coarse-grained texture
• Cools quickly

Lava that is low in silica usually forms _____ colored rocks.

• dark
• light

Coarse or Fine?

• coarse
• fine

Tags

NGSS.MS-ESS2-1