Earth Formation
Early Earth
Rock Classification
Radioactive Decay
100

The age of the Earth

what is 4.5 billion years

100

Type of landscape the Early Earth had

what is fiery, hellscape, hot, (anything to that extent)

100

The two types of igneous rocks

what are Intrusive and Extrusive 
100

Radioactive decay can lead scientists to discover this about rocks

what is Their Age

200

GENERAL objects used to determine the age of the Earth and areas on Earth

what are Rocks

200

The moon formed from this

what is A Collision

200

Sedimentary rocks are formed from these

what are Sediments

200

A radioactive decay curve creates this kind of mathematical function

what is An Exponential Function
300

Specific objects (from space) used to figure out how old the Earth is

what are Meteorites

300

There was this amount of oxygen in the Early Earth

what is None

300

Increasing the temperature and pressure on sedimentary rocks results in this type of rock

what is Metamorphic rock

300

The amount of time it takes for half of the parent isotopes to change into daughter isotopes is called this

what is A Half Life
400

Process by which the Earth formed from interstellar dust

what is Accretion

400
The length of a day in the Early earth was ____ than it is now

what is Less

400

Liquid rock is called this

what is Magma

500

The area around a star that can sustain life

what is The Habitable Zone

500

______ caused the Earth to melt into a molten ball

what are Radioactive Elements from Space

500

These rocks are formed when magma is cooled above or below the surface

what are Igneous rocks