Minerals
solid, naturally occurring, inorganic, formula, crystal structure
Name 1 common sedimentary rock.
limestone, sandstone, shale, coal
Name an igenous rock.
pumic, granite, basalt, obsidian
How do metamorphic rocks form?
heat and pressure
What is the very top layer of soil called? (it has organic material in it)
O Horizon
Name 4 properties of minerals and describe how to test each one.
color, luster, streak, hardness, density, acidic reaction, magnetism
compaction, cementation, deposition
Describe the two types of igneous rocks.
extrusive
intrusive
Name one way to identify a metamorphic rock.
wavy layers
alternating layers of light and dark
What is the bottom layer of soil called?
parent material
bedrock
Quartz is a 7 on the Moh's Hardness Scale. Calcite is a 4. What would happen if you try to scratch Quartz with Calcite?
The Calcite would scratch.
Name 2 ways to tell if a rock is sedimentary.
fossils, you can see the sediments, layers
Name one way to identify an igneous rock.
glassy or has holes
Name one common metamorphic rock.
marble, slate, gneiss
In which layer would we NOT find roots?
C Horizon
Name 3 terms to describe a mineral's luster.
metallic, non-metallic, waxy, pearly, glassy, shiny
Describe how a mountain made of igneous rock could form into a sedimentary rock.
erosion, weathering, deposition, compaction, cementation
melting and cooling
erosion, weathering, heat and pressure
In which soil layer would we find the richest soil?
A Horizon
Why isn't color a useful property when identifying minerals?
minerals come in a variety of colors
Where do we commonly find sedimentary rocks?
by water
Some igneous rocks look like glass. How does this happen?
it cools so quickly that crystals do not have time to form
Describe how an igneous rock could turn into a metamorphic.
heat and pressure
How many years has Mrs. Miller been teaching?
19