3 types of Rocks

Front

What type of rock is formed when heat or pressure changes it?

Back

Metamorphic rock is formed when heat or pressure changes existing rocks.

Front

Name three examples of igneous rocks.

Back

Pumice, granite, and obsidian are examples of igneous rocks.

Front

What processes lead to the formation of sedimentary rocks?

Back

Sedimentary rocks are formed by erosion, deposition, compaction, and cementation.

Front

How many minerals make up the rocks on the earth's surface?

Back

There are approximately 20 minerals that make up the rocks on the earth's surface.

Front

What are the three main types of rocks?

Back

The three main types of rocks are igneous, sedimentary, and metamorphic.

Front

What is an igneous rock?

Back

Igneous rock is formed from the cooling and solidification of magma or lava.

Front

What are sedimentary rocks made of?

Back

Sedimentary rocks are made of particles, organic material, or minerals that have been compacted and cemented together.

Front

What is the difference between clastic, organic, and chemical sedimentary rocks?

Back

Clastic rocks are made from fragments of other rocks, organic rocks are formed from the remains of living things, and chemical rocks form from mineral precipitation.

Front

How do metamorphic rocks differ from igneous and sedimentary rocks?

Back

Metamorphic rocks are formed under heat and pressure, while igneous rocks form from molten material and sedimentary rocks form from sediment.

Front

What is the rock cycle?

Back

The rock cycle is the continuous process of rock formation and transformation between igneous, sedimentary, and metamorphic rocks.