Rock Cycle
This rock forms when molten rock cools and hardens.
What is igneous rock?
This is how long ago the Earth formed.
What is 4.5 billion years ago?
This scientist saw that the continents were once connected.
Who was Wegener?
Any preserved remains, impression, or trace of any once living thing from a past geological age.
What is a fossil?
Rocks break down from exposure and weathering.
What is soil?
Soil goes through erosion and deposition.
What is sediments?
Periods make up on a geologic time line.
What is Era?
This scientist found out that the Earth was made of molten.
Who was Kelvin?
Remains or traces of organisms that lived for a short amount of time, with many around the world.
What is index fossil?
A rock frost wedges.
What is when water freezes in cracks of a rock and it expands and breaks?
May contain fossils.
What is sedimentary rock?
The nickname of the Earth when is was all magma.
What is The Molten Planet?
The scientist found iridium and found out how dinosaurs went extinct.
Who was Alverez?
DOUBLE!
1. A geologic time scale that uses numbers.
2. A geologic time sale that uses part to whole.
1. What is a numeric time scale?
2. What is a proportional time scale?
Weathering caused by the growth of trees.
What is root wedging?
A rock increases in temperature and gets compressed.
What is metamorphic rock?
The nickname for when the Earth froze.
What is Snowball Earth?
This scientist found stromatolite.
Who was Playfort?
A small stream that flows into a larger stream.
What is a tributary?
The 2 types of river/stream (in the gizmo).
What is meandering river and mountain stream?
Sediments turn into sedimentary rock.
What is lithification and compaction?
The names of the 4 different types of volcano.
What is cinder cone, composite, lava dome, and shield volcano?
This scientist tried to use iron to find out the age of the Earth.
Who was Holmes?
A mountain has new crust formation and sedimentation.
What is constructive?
To find the speed of a barrel going down a stream.
What is divide the distance traveled by the time it took to float down the stream in a 100 meters?