6th Grade Benchmark Review

Which type of rock results from melting and cooling of magma?

• Igneous
• Metamorphic
• Sedimentary
• Extrusive

Which type of rock forms from extreme heat and pressure?

• Igneous
• Sedimentary
• Organic
• Metamorphic

A metamorphic rock changes into an igneous rock by what two processes?

• Melting and cooling
• Extreme heat and pressure
• Compaction and cementation
• Weathering and erosion

Wind, water, and ice breaking down rock is called

• Erosion
• Deposition
• Compaction
• Weathering

What is the MAIN way rocks are classified?

• Their color and shapes
• How they form
• Mineral bands
• Where they form

When sediments are pressed together tightly, this is called ____________.

• Compaction
• Cementation
• Weathering
• Erosion

This rock was formed by smaller pieces of rock that settled at the bottom of a lake millions of years ago. What type of rock is this?

• Sedimentary
• Igneous
• Metamorphic

What are the 3 major types of rocks?

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

Tags

NGSS.MS-ESS2-3

This rock is made from tiny pieces of other rocks that settled to the bottom of a valley millions of years ago. What type of rock is this?

• Sedimentary
• Igneous
• Metamorphic

Tags

NGSS.MS-ESS1-4

This rock cooled on the outside of a volcano and contained air bubbles when it was forming. What type of rock is this?

• Sedimentary
• Igneous
• Metamorphic

Tags

NGSS.MS-ESS2-1