Igneous
Name a coarse-grain intrusive igneous rock
granite, quartz
This type of rock comes from river sediments, like pebbles.
conglomerate
This type of rock is formed from limestone.
marble
When rocks are broken into smaller rocks.
Weathering
How do you get an igneous rock?
Melting any type of rock
Liquid rock above ground is called
lava
This type of rock forms from plant and animal fossils, and is used as a fossil fuel.
coal
These 2 things are needed to make a metamorphic rock.
heat and pressure
Which has more surface area: 1 pound of silt or 1 pound of sand?
1 pound of silt
What are the 4 steps to making a sedimentary rock?
weathering, erosion, deposition, cementation
Give an example of a fine-grain extrusive igneous rock.
pumice, obsidian
This rock is formed deep in the ocean.
limestone
This rock is made from granite.
gneiss
What caused the Statue of Liberty to turn green?
Oxidation (chemical weathering)
How do you make a metamorphic rock?
Extreme pressure, heat, and time
Liquid rock below ground is called _.
magma
This rock is formed from beach sand.
Sandstone
The Taj Mahal is made of this.
Marble
When an erratic boulder is dropped off by a glacier.
Deposition
What powers the rock cycle?
Earth's interior (the Mantle and Core)
How does a metamorphic rock become igneous?
It melts into magma or lava (in a volcano or becomes part of the asthenosphere).
This type of rock is formed from tiny silt particles.
mudstone (shale)
When shale is compressed with pressure and heat.
slate, then shist, then gneiss
The Grand Canyon was formed this way:
Abrasion by Water and then Erosion
What 2 things make it possible to see Stone Mountain and the Appalachian Mountain Range?
Uplift and Erosion