Classifying Sedimentary Rocks: Types and Formation

What are the two main objectives of the lesson on sedimentary rocks?

• Describe the three major classes of sedimentary rocks and their formation.

• Explain the process of rock metamorphism.

• Identify the types of igneous rocks.

• Discuss the role of sedimentary rocks in volcanic activity.

Tags

NGSS.MS-ESS2-1

What is the technical term geologists use to describe a rock fragment?

• Shard

• Gravel

• Pebble

• Clast

Which transportation agent is responsible for carrying sediment in Alaska, as mentioned in the video?

• Wind

• Rivers

• Glaciers

• Ocean currents

What type of sedimentary rock forms from the lithification of sand?

• Conglomerate

• Limestone

• Sandstone

• Shale

What happens to minerals when water evaporates in nature?

• They form new rocks.

• They become gaseous.

• They precipitate out.

• They dissolve further.

Tags

NGSS.MS-ESS2-4

Which type of limestone forms when minerals precipitate in places where warm, chemical-rich waters come to the surface?

• Chalk

• Dolomite

• Marble

• Travertine

What is the primary cause of precipitation in biochemical sedimentary rocks?

• Pressure

• Organisms

• Evaporation

• Temperature

Tags

NGSS.HS-ESS2-5

What type of rock can form from the vegetation in tropical swamps?

• Coal

• Limestone

• Sandstone

• Shale

Which environment is indicated by the presence of coal?

• Beaches

• Tropical wetlands

• Mountain streams

• Deserts

Which type of sedimentary rock is likely to form in marine environments?

• Sandstone

• Limestone

• Shale

• Conglomerate

Tags

NGSS.MS-ESS2-4