Show:
Rocks
Minerals
Layers
Fossils
Other
100
Rocks make up this planet we live on.
What is Earth.
100
The Mohs Scale gives a number for this.
What is hardness?
100
The Earth is made up of this many layers.
What is 3?
100
This type of rock has more fossils than any other type of rock.
What is sedimentary rock?
100
Scientists find bones and put them together to form skeletons of these gigantic prehistoric beasts.
What are dinosaurs?
200
Rocks are made up of these.
What are minerals?
200
Some minerals shine a lot like a new penny, and some shine a little like an old penny.
What is luster?
200
The solid outside layer.
What is the crust?
200
This fossil has the shape of a plant or animal left in sediments when the rock formed.
What is a mold fossil?
200
The scientist who studies dinosaurs.
Who is a paleontologist?
300
These rocks were melted and then cooled and hardened.
What are igneous rocks?
300
When you rub some minerals on a special plate, they leave a mark.
What is streak?
300
The middle layer.
What is the mantle?
300
This type of fossil forms when mud or minerals fills in a mold.
What is a cast fossil?
300
The iron layer at the center of the Earth.
What is the core?
400
These rocks are made of layers.
What are sedimentary rocks?
400
This mineral is so hard it can scratch glass.
What is diamond?
400
The center of the Earth.
What is the core?
400
This word describes what happens to the soft parts of an animal over a long period of time.
What is decompose?
400
What do you use to tell what a mineral is?
What are traits?
500
These rocks were changed by heat and pressure.
What are metamorphic rocks?
500
This mineral is the softest.
What is talc?
500
The three layers of the Earth.
What are the crust, the mantle, and the core?
500
Hard parts of the animal, such as shells or bones, are slowly buried under layers of this.
What is sediment?
500
What are the two main changes that can morph rocks?
What are heat and pressure?