Imprits/remains of an organism that has been preserved in a rock
What are Fossils
100
Limestone
What is an example of Sedimentary Rock
100
Older layers are deeper, under a new layer. New layers are on top of older layers.
How are layers ordered
100
limestone that contains sand or mud will be tan
Why isnt all limestone white
100
Grand Canyon
What is a 10 Million years
200
Fossils that have been on earth for a short time but in many places around the world. Indicate how many years a layer is or how the area was like.
What are Index fossils
200
Marble
What is an example of Metamophic rocks
200
What the rock is made of
How are rock layers named
200
location of sediimentary rocks
Where can fossils be found
200
Earth's age.
What is 4.5 Billion years
300
Sedimentary rocks
Where are fossils found
300
Granite
What is an example of an Igneous rock
300
Mostly limestone containing some grains of sand.
What is the rock evidence for the Kalibab formation
300
Because they would melt
Why is metamorphic rocks not good for fossils?
300
Inner Core, Outter Core, Crust, Mantle
What are Earth's layers
400
About 1 million years
What is the estimated age of Index fossils
400
...but not all minerals are made of rocks"
What is "All rocks are made of minerals...
400
Red and tan sandstones, siltstones, and a few limestones
What is the rock evidence for the Supai group
400
Variable(s) that affect the size of crystals in igneous rocks.
Temperature, rate of cooling, and the length of time in hot water.
400
The two sub-layers of the earth's crust that move, float, and sometimes break and cause continental drifts, earthquakes, volcanoes, mountains, and oceanic trenches.
What are Plate tectonics
500
Cambrian
What period are Trilobytes found
500
How they are made
How are rocks mostly identifyed
500
From 2925 feet to 2800
What is the elevation change for North Cayon to Nankoweap Canyon
500
The less it travels the more angular it is. Moves from place to place.
What is Transportation
500
A diagram representing how a rock proceses that change into other rock and how they form and how they can turn into others. This cycle has been going on for billions of years and will last forever.