A type of rock formed when molten rock cools and hardens.
What is an igneous rock?
100
When water seeps between the cracks of a rock and then freezes, splitting the rock.
What is Ice Wedging
100
This is where scientists believe water came from.
What is a meteorite?
100
The remains or traces of organisms that have been preserved in Earth's crust.
What are fossils?
100
A single word for a specific trait.
What is a property?
200
A rock formed when an existing rock changes due to heat and/or pressure.
What is a metamorphic rock?
200
When the iron in rocks is exposed to air and water.
What is rusting?
200
The circumference of the earth.
What is 25,000 miles?
200
A coherent, typically large body of matter with no exact shape.
What is mass?
200
The least reliable test to classify a rock and/or mineral.
What is color?
300
A rock formed when sediments settle, then cement and harden.
What is a sedimentary rock?
300
The two types of weathering that all types are classified into.
What are mechanical weathering, and chemical weathering?
300
The first super continent.
What is Rodinia?
300
A gentle, sheen, or soft glow especially that of a reflective surface.
What is luster?
300
A key factor in identifying a rock and/or mineral. It's when you scratch items that have a certain density and write up the average density of each scratched item.
What is Moe's Hardness Scale?
400
A type of igneous rock that forms below the surface.
What is an intrusive rock?
400
These are what types of weathering are classified as.
What is chemical/mechanical weathering
400
The name of the earth 700 million years ago when the earth was covered in ice.
What is snowball earth?
400
constructive earth processes.
What is mountain building, new crust formation, and sedimentation?
400
The six key factors to identifying a rock or mineral.
What is density, hardness, luster, mass, streak, and volume?
500
A type of igneous rock that forms above the surface.
What is an extrusive rock.
500
The slow effect of rocks due to the effect of rain, wind, frost, and other processes.
What is weathering?
500
Believed that the earth was once molten rock and is slowly cooling.
Who is William Thompson, 1st Baron, Kelvin (lord kelvin)