The Birth of Rocks Study Guide!

Front

What is the difference between felsite and basalt lava?

Back

Felsite is light-colored. Basalt is black.

Front

What type of rock comes from erupting cone volcanoes?

Back

Felsite.

Front

What do we call a volcano that no longer erupts?

Back

Extinct volcano.

Front

What is the name of the horseshoe-shaped stretch of coastlines in the Pacific Ocean where most volcanoes form?

Back

The Ring of Fire.

Front

What is ice wedging?

Back

Ice wedging is when water freezes in cracks of rocks and expands, breaking the rocks apart.

Front

What type of volcano is typically steep and cone-shaped?

Back

Cone volcano.

Front

What is the process called when rocks are broken down by natural forces?

Back

Weathering.

Front

What is magma called when it reaches the Earth's surface?

Back

Lava.

Front

What is the main difference between intrusive and extrusive igneous rocks?

Back

Intrusive rocks form inside the Earth, while extrusive rocks form on the surface.

Front

What is sedimentary rock made from?

Back

Sedimentary rock is made from particles of sand, silt, clay, and organic materials that have been compacted and cemented together.