Layers of The Geosphere
What are the three parts ot the geosphere?
The crust, the mantle and the core.
Where are sedimentary rocks compressed?
The bottom of the ocean.
Why do metamorphic rocks change over time?
They change because of extreme pressure, friction, and hot temperatures from magma.
What are the three kinds of rocks?
They are made up of minerals!
The mantle
What is an example of a sedimentary rock?
Limestone, chalk, coal, flint, and clay
What is an example of a metamorphic rock?
Anthracite, quartzite, marble, slate, granulite, gneiss and schist.
True or False: Igneous rocks only form below the Earth's surface.
False: They from below or above the Earth's surface.
Chalk is what kind of rock?
Chalk is a sedimentary rock.
The core consists of a solid inner core and...
How are sedimentary rocks formed?
They are formed by sediments deposited over time as layers.
What is Marble formed from?
Marble is formed from the sedimentary rock limestone.
Once this element cools and solidifies it makes up igneous rocks.
Lava
Marble is what kind of rock?
Marble is a metamorphic rock.
The crust of the Earth changes over time due to?
Erosion (weathering)
What are sedimentary rocks made up of?
They are made up of the remains of living things (organic matter) and minerals.
What rock is formed from sandstone and slate?
Quartz
What is an example of an igneous rock?
Basalt, granite, pumice, obsidian, tuff, diorite, gabbro, and andesite
Pumice is what kind of rock?
Pumice is an igneous rock.
How deep is the oceanic crust?
8 km
True or False: We find much more sedimentary rocks than igneous and metamorphic.
False. We find much fewer sedimentary rocks than igneous and metamorphic.
True or False: Sedimentary rocks tend to change into metamorphic.
True
What percent of the Earth's upper crust is made up of igneous rocks?
95% of the Earth's surface is made up of igneous rocks.
What are the four physical properties of minerals?
They are; color, luster, hardness, and streak.