Key Names-,-
Earth -.-
Fossils -.-
100
The 3 types of Sedimentary rock are?
Limestoe, Shale, Sandstone
100
4.5 billion years ago!
When did Earth form?
100
Remanings of an animal or plant that get compacted and cemented in a rock.
What is a Fossil?
200
The main difference between the 3 types of rock are?
How they form
200
10 million years old:D
How old is the Grand Canyon
200
A fossil that has been around for short period of time that is found in many places.
What is an Index Fossil?
300
Limestone is White Because...?
It conains calcium carbnate
300
Reptiles
What came to earth first Reptiles or Dinosaurs?
300
Index Fossils are useful to Geologist because?
They provide Important evidence about earths history, also gives age of rock layers.
400
Metamorphic
Marble forms when limestone is exposed to heat and pressure what type of rock is marble ?
400
2 million
Humans were formed when?
500
Granite
What is the most popular rock in igneous?
500
Physical and Chemical Processes
Weathering can be caused by?
M
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