Minerals
The color powder left behind when a mineral is scraped across a surface.
What is a Streak?
May contain fossils.
What do sedimentary rocks contain?
Only forms below earth's surface.
What is metamorphic?
Liquid rocks that are typically around 1000 degrees Celsius
What is magma?
Evidence of ancient life that is found in rocks.
What is a fossil?
The amount of mass in a given volume of a substance.
What is density?
A light weight rock with a rough texture and a tan red color.
What is pumice?
This rock forms from something getting cemented or compacted together.
How do sedimentary rocks form?
When rocks are exposed to rain,ice,and plants,they break down into smaller particles.
What is soil?
The two largest groups of fossils.
What are body fossils and trace fossils?
Being formed in nature, having crystal structure, definite chemical makeup, being a solid.
What are the 4 characteristics of a mineral?
This rock often has air pockets.
What do igneous rocks have?
A 4700 degrees Celsius to 4800 degrees Celsius part of earth.
What is the inner core?
Rock that has been weathered,eroded,moved and settled.
What are sediments?
The process where the original object is dissolved and the original minerals are replaced with other minerals.
What is fossilisation?
Putting them into groups on the basis of its chemical makeup.
How do scientists classify minerals?
This rock layer began 260,000,000 years ago.
What is the Kaibab formation?
When magma cools below the earth's surface... granite and diorite will form.
How are intrusive igneous rocks formed?
Melting rocks due to extreme heat.
What is molten rock?
A fossil that is helpful for dating and identifying geological formations.
What is an index fossil?
A tendency of mineral to break along flat surfaces.
What is cleavage?
A blue and white rock with a smooth surface and rough edges.
What is gneiss?
May form on or below earth's surface.
Where do sedimentary and igneous rocks form?
Changes due to heat and pressure.
How are metamorphic rocks made?
The signs that organisms were once present.
What is a trace fossil?