The Birth of Rocks Review

What is an active volcano

• A volcano that has not erupted for thousands of years.

• A volcano that is now a mountain.

• A volcano that has never erupted before.
• An active volcano is one that has erupted in the recent past and has the potential to erupt again.

What is a type of rock that forms when lava cools and is dark colored?

• basalt

• coal

• sedimentary

• granite

A __________volcano has thick lava that DOES erupt with an explosion.

• Cone

• Shield

• Lava

• Extinct

___________happens when small bits of rock move from one place to another by water, wind, ice, or gravity.

• Weathering

• Erosion

• Ice wedging

• Root wedging

Tags

NGSS.MS-ESS2-2

AN EXTINCT VOLCANO ___________

• is not likely to erupt in the future

• is currently erupting

• will erupt soon

• is a mountain not a volcano

(a)   wedging is when rocks break apart when water freezes and expands

Tags

NGSS.MS-ESS2-2

(a)   flows from a volcano when it explodes. It is liquid rock.

Tags

NGSS.MS-ESS3-2

(a)   wedging is when rocks break apart due to tree and plant roots growing.

Tags

NGSS.MS-LS2-3

What are tiny pieces of rock?

• Sediments

• Lava

• Cone

• Shield

What type of rock is formed when sediments settle and are pressed together in layers?

• Igneous Rock

• Lava

• Sedimentary Rock

• Big Rocks