Vocabulary
Rock Cycle
Rules for Rock Formations
125
What is a Strata?
layers of rock in the ground
125
True or False: The rock cycle has a certain order (ex: Metamorphic can only become igneous).
False
125
Which law states that the rock layers farthest from the surface are the first ones formed?
The Law of Superposition
250
What is Deposition?
When rocks deposit and become a rock layer
250
What rock is made up of sediments?
Sedimentary Rock
250
What rule suggests that all rock layers are originally deposited straight (horizontally) and were changed afterward?
The Law of Original Horizontality
375
What is it called when a rock layer rises above sea level?
Uplift
375
What rock forms when magma is cooled?
Igneous Rock
375
What laws states that what ever happens in the past still happens today?
The Law of Uniformity
500
What is it called when something sinks into a body of water?
Subsidence
500
Heat and pressure create what type of rock?
Metamorphic Rock
500
Solve the cross section in order of youngest to oldest (only include the six letters that are shown)
1. J
2. M
3. A
4. D
5. X
6. O
7. B