This rock forms when molten rock cools and hardens.
What is the process of an Igneous rocks formation?
100
A fossil is remains or traces of organisms that have been preserved in Earths crust.
What is a fossil?
100
It is a piece of a geometrically regular with symmetrically arranged.
What is a crystal?
100
There are four layers in the Earth.The Inner Core, Outer Core, Mantle and Crust.
How many layers are in the Earth?
100
They are grouped by their chemical position.
How are minerals grouped?
200
This rock forms when something gets compacted and cemented together.
What is the formation of a Sedimentary rock?
200
An index fossil is a fossil of organisms that lived for only a short period of time all around the world.
What is an index fossil?
200
A Solid in which the atom are arranged in an orderly repeating three dimensional pattern.
What is the Crystal Structure?
200
The Inner core is the deepest layer in the Earth.
What is the first and deepest layer in the Earth?
200
It is the color of the powder left behind when the mineral is scraped across a surface.
What is steak?
300
This rock forms when a rock changes due to heat and/or pressure.
What is the process of a Metamorphic rock's formation?
300
A fossil is plant or an animal that has been on Earth for hundreds of years. An index fossil has only been on Earth for a short period of time.
What is the difference between an index fossil and a regular fossil?
300
True It can contain many tiny grains of crystals.
True or False? salt contains crystals.
300
The Mantle is the upper and outer part of the Earth. It is a rigid solid layer.
What is the Mantle?
300
It is the way in which light reflects from the minerals surface. The way a mineral breaks helps identify it.
What is luster?
400
They are made of minerals.
What do Igneous,Metamorphic, and Sedimentary rock all have in common?
400
An index and a regular fossil are both traces of organisms that were preserved in Earths crust.
What is some similarities about a fossil and an index fossil?
400
It can be formed when salt or sugar is put into water for a particular amount of time. That way it has time to form.
How do salol crystals form?
400
The crust can reach up 1,200 degrees celsius.
How high can the crust's temperature get up to?
400
It is the tendency of a mineral to break along flat surfaces. The way in which a mineral breaks depending on how its atoms are bounded or joined together.
What is cleavage?
500
Metamorphic rocks form below Earth's surface.
What rock forms below Earths surface?
500
Fossils show how life has changed over time.
Why are fossils helpful to scientists?
500
It is a combination of salts that form over time with acid.
What is a Salol crystal?
500
The inner Core is a solid and it has a 4 million surface pressure.
Is the Inner Core a solid?
500
It is the tendency of a minerals such as quartz break into pieces with curved surfaces.