Fill in the blank
__________ are formed by nature and made of minerals.
Rocks
I am formed through volcanic eruptions and have cooled over time! What type of rock am I?
Igneous Rock!
What do fossils tell us about the Earth's history?
Fossils tell us what used to live on the Earth, and what the Earth looked, sounded, and felt like in the past.
The hottest part of the Earth is
the Core
This describes how rough or smooth a rock or mineral is
texture
_________ describes rocks formed when other rocks are exposed to high temperature and pressure.
Metamorphic
Marble is an example of what type of rock?
Metamorphic
Sedimentary
This part of the Earth is thinner under oceans and thicker under continents
Crust
This describes how shiny or dull a rock or mineral is
Luster
_________ are created by nature and are found in rocks.
Minerals
What is the softest mineral on Earth measured on the Mohs scale?
Talc
The study of the Earth's history based on fossils is called what?
Paleontology
What is the the huge metal ball deep inside the Earth
inner core
What is the scale used to compare rock and mineral hardness
Mohs Scale
_______ describes rocks made when sand, mud, and pebbles get compressed in layers.
Sedimentary
What is the difference between a rock and a mineral?
A rock is a solid made up of different minerals. Whereas a mineral is one substance made from the Earth.
What are the four types of fossils?
Trace, Cast, Mold and True Form fossils
Which layer is made mostly of solid rock (mostly granite) (hint:2 words)
Continental crust.
When rocks change due to heat and pressure they become
Metamorphic rocks
__________ are studied by paleontologists to learn about Earth's history.
Fossils
What does the rock cycle describe?
The rock cycle describes how rocks are formed, how they break apart, and how they reform into other rocks.
What is the proccess called where the remains of a living being are preserved in sedimentary rock?
Fossilization
Which layer is split into upper and lower and varies in temperature?
Mantle
To classify rocks, scientists look at
How they were formed and what they are made of.