Rock Facts
Name two sedimentary rocks.
Sandstone, limestone, and shale
What are the three types of rocks that we have studied?
Sedimentary, Igneous, and Metamorphic
Name an extrusive igneous rock
Pumice
What is the hole at the top of the volcano called?
Crater
Name two things that volcanoes can destroy.
Forests, homes, animals, plants, people, buildings etc.
Name two metamorphic rocks.
Marble and slate
How do you transform a metamorphic rock?
With pressure, heat, and chemicals
What is pumice used for?
Nail salons or concrete blocks
What does the magma travel up through before it explodes?
The central, main or side vent
What is an active volcano?
Has erupted in the past and is likely to erupt again.
What are the two types of igneous rocks?
Extrusive and Intrusive
Sedimentary rock can be found near _________.
Water sources.
What is marble used for?
Sculptures and buildings
What makes up the eruption cloud?
ash, gas, volcanic bombs
What is a volcano?
An opening in the Earth's surface that opens into a pool of hot liquid rock.
How are sedimentary rocks formed?
When small pieces of rocks and other things are deposited on top of each other and create layers over time.
Igneous rock was once what?
Molten lava that cooled
What is slate used for?
Flooring and roofing
What layer of the Earth does the magma come from?
Mantle
What is a dormant volcano?
Hasn't erupted recently, but could possibly erupt again.
What is the difference between rocks and minerals?
Rocks are made up of minerals and minerals are solid substances found on Earth.
Name one sedimentary, one igneous, and one metamorphic rock.
Answers will vary. (sandstone, obsidian, marble)
What is granite used for?
Countertops and buildings
What is the difference between magma and lava?
Magma is hot liquid rock inside the volcano, and it becomes lava when it is flowing outside.
Volcanoes are likely to explode when the Earth's ___________ _____________ move.
Tectonic plates