1
the idea that : the top rock layer and its fossils is the youngest and the bottom is the oldest.
2
A large landmass that contains all, or nearly all, of the existing continents.
3
the study of rock layers
4
rock that has been changed by heat & pressure
5
arranged in order of time
6
A type of rock that forms when particles from other rocks, or the remains of plants and animals, are pressed together
7
the period of time before written records
8
A term that typically describes a species that no longer has any known living individuals.
9
different layers of rock
10
a scientist who studies the Earth
11
anything related to the study of Earth's physical structure
12
rock that is formed when magma cools
13
suffix meaning the process of recording
14
prefix meaning "time"
15
a break in the Earth's crust
16
prefix meaning "the earth"
