Chapter 10C – Sedimentary Rocks (Pages 230–236)

Sedimentary rocks are made from what material?

• Lava

• Sediments

• Crystals

• Gases

What process wears down rocks into small particles?

• Deposition

• Melting

• Erosion

• Cementation

Tags

NGSS.MS-ESS2-2

What do young-earth geologists believe caused the formation of most sedimentary rocks?

• The Ice Age

• The Flood

• Earthquakes

• Volcanic eruptions

What is the first step in forming sedimentary rock?

• Compaction

• Erosion and solution

• Cementation

• Deposition

During transportation and deposition, what determines how sediments settle?

• Temperature

• Color and texture

• Particle size, density, and shape

• Hardness

What process presses sediment layers together by their own weight?

• Cementation

• Crystallization

• Compaction

• Precipitation

What natural substances act as cementing agents in sedimentary rocks?

• Water and sand

• Silicates and carbonates

• Salt and air

• Iron and sulfur

What are sedimentary rocks made from pieces of other rocks called?

• Organic rocks

• Igneous rocks

• Clastic rocks

• Chemical rocks

Which type of sedimentary rock forms when minerals precipitate out of water?

• Organic

• Nonclastic (chemical)

• Clastic

• Metamorphic

What do we call the property of shale and slate that allows them to split into thin sheets?

• Fissibility

• Density

• Porosity

• Flexibility