The type of rock that is formed when molten rock cools and hardens.
What is an igneous rock?
100
When Earth was made.
What is 4.5 to 4.6 billion years ago?
100
A trace or remain of a plant or animal preserved in rock.
What is a fossil?
100
Where younger layers are in a sedimentary rock (or layor).
What is at the top of a sedimentary rock (or layer)?
200
The evidence limestone in the Grand Canyon proves.
What is an ancient ocean that gradually grow then receded 500 mya?
200
How a sedimentary rock forms.
What is a rock that forms when a rock weathers and/or erodes then gets cemented and compacted together by a matrix?
200
A geologic timeline that shows parts to a whole.
What is a proportional timeline?
200
What the envirement would be if there were sponge and snail fossils in a layer of limestone.
What is a marine(water) envirement?
200
When a layer of sandstone was made if it was directly above a layor of 200 million year old granite.
What is less than 200 million years ago?
300
The youngest layor of the Grand Canyon.
What is the kaibab formation?
300
The type of rock obsidian is.
What is an igneous rock?
300
A numeric timeline.
What is a timeline using numbers and dates?
300
What examples of fossils found in a desert would be.
What are fossils of cacti, lizards(reptiles), tortouses, and insects(like scorpians)?
300
The type of force mountain building is.
What is a constructive force?
400
The oldest layor of the Grand Canyon.
What is tepeats sandstone?
400
The type(s) of rock that can change due to heat and/or pressure.
What are sedimentary, igneous, and metamorphic rocks?
400
Humans, trilobites, and dinosaurs put in order (past to present).
What are trilobites, dinosaurs, and humans?
400
What an envirement would be like if you found coal and/or plant fossils.
What is a swmpy envirement?
400
How a volcano can be a cunstructive and a destructive force.
What is an explosive volcano being a destructive force and volcano's lava cooling, creating an island being a constructive force?
500
Coconino sanstone, redwall limestone, hermit shale, templebutte formation, and supai group in order (youngest to oldest).
What is coconino sanstone, hermit shale, supai group, redwall limestone, and templebutte formation?
500
What the rock cycle is.
What is a series of prcesess that causes rocks to change from one type to another that has been going on since Earth formed and will keep going on untill Earth ends?
500
Bees, jellyfish,and flowering plants in order(past to present).
What are jellyfish, flowering plants, and bees?
500
What index fossils are and why they are important to geologists.
What are fossils that lived for a short period of time in many places around the world that are important because, if geoligists find an index fossil in a rock layer, they know it's about the same age as all other rock layers containing the same index fossil?
500
How Earth is constantly recreating it's surface.
What are destructive processes breaking down old landforms (like weathering,erosion, and techtonic collision) and constructive processes building new landforms (like mountain building, deposition, and new crust formation)?