Exploring Earth Science Concepts: Rocks

What is the primary focus of this section?

• Types of rocks and the rock cycle

• Types of minerals

• Fossil formation

• Weathering and erosion

Tags

NGSS.MS-ESS2-3

NGSS.MS-LS4-1

How do igneous rocks form?

• From the evaporation of water

• From the cooling and crystallizing of magma or lava

• From the layering of organic material

• From the compaction of sediments

What type of igneous rock forms when magma cools slowly inside the Earth?

• Intrusive

• Extrusive

• Vesicular

• Glassy

Which of the following is an example of an extrusive igneous rock?

• Basalt

• Diorite

• Gabbro

• Granite

What process must occur first for sedimentary rocks to form?

• Compaction

• Cementation

• Weathering

• Metamorphism

What are clastic sedimentary rocks made of?

• Rocky fragments

• Organic material

• Chemical precipitates

• Evaporated minerals

Which sedimentary rock is formed from plant remains?

• Coal

• Sandstone

• Limestone

• Rock salt

What causes the formation of metamorphic rocks?

• Evaporation of water

• Cooling of magma

• Compaction of sediments

• Heat and pressure

Which metamorphic rock is the most banded?

• Shale

• Marble

• Schist

• Gneiss

What is marble primarily made of?

• Quartz

• Calcite

• Feldspar

• Mica