Show:
Rocks and Minerals
Fossils
Scientists
Earth
Earth History
100
Mineral's hardness on a scale of 1 to 10.
What is Moh's hardness scale?
100
Fossils that lived for short times but lived throughout the world. For example trilobites.
What is Index fossils?
100
He discovered Continental Drift and died before his theory was proven.
Who is Alfred Wegener?
100
The top layer of the Earth where everything lives.
What is the crust?
100
The first era ever recorded in Earth history.
What is Precambrian era?
200
Rocks made by sediments compressing and compacting together.
What is a sedimentary rock?
200
A widely used fuel, made from fossils of plant matter.
What is coal?
200
Famous physicist who theorized about the astroid that killed the dinosaur
Who is Luis Alvarez?
200
The biggest (1,800 miles long) layer of the Earth.
What is the mantle?
200
A massive species of lizard that lived from 230 to 65 million years ago.
What where the dinosaurs?
300
Rocks made when the "parent rock" is put under great heat and/or pressure.
What is Metamorphic rocks?
300
Fossils that lived for a long period of time but in a short distance.
What are regular fossils?
300
A Scottish farmer and naturalist who later became known as the founder of modern geology.
Who is James Hutton?
300
The thinnest (3 to 6 miles long) layer of the Earth.
What is the crust?
300
The longest era in Earth's history.
What is Precambrian era?
400
Inorganic,natural,solid, crystal structure.
What is the characteristics of minerals?
400
This type of rock has a high chance of holding fossils such as trilobites.
What is a sedimentary rock?
400
A British geologist who contributed to our understanding of the Earth's age.
Who is Arthur Holmes?
400
When the moon blocks the sun creating a massive shadow on the earth.
What is the solar eclipses?
400
The first organisms to exist.
What is single-celled organisms?
500
Dirt, mud, sand, and other sediments are almost always deposited in horizontal layers.
What is the Law of Original Horizontality?
500
This law states that the farther down you go in rock layers, the older and older the fossils will be.
What is The Law of Superposition
500
Discovered the three ways of expressing of temperature
Who is William Thomson 1st baron kelvin (aka lord kelvin)
500
This layer of the earth has two parts and is made out of molten and hardened iron.
What is the core of the Earth?
500
This was formed 2 billion years ago and protected the Earth from deadly UV rays.
What is the ozone layer?