Name that Rock
True / False
Fast Facts
How Fossils are Formed
Fossil Grab Bag
100
Pebbles, gravel, sand and clay settel to help form these rocks.
What are sedimentary rocks.
100
True or False: Sedimentary rocks often have layers.
What is true.
100
Is the greek word for "change".
What is morph?
100
Explain the mold method.
What is when the original organism dies leaving an imprint.
100
The best method for preserving ancient artifacts.
What is freezing.
200
These types of rocks are where fossils are usually found.
What are sedimentary rocks.
200
True or False: Igneous rocks are made of crystals of different colors.
What is true.
200
Name at least two ways sedimentary rocks are eroded.
What are wind, water, and ice.
200
Explain how a cast is formed.
What is when an organism dies and leaves an imprint and the imprint gets filled with minerals that eventually hardens it leaves behind a cast.
200
True or False: Most organisms fossilize after they die.
What is fale
300
These rocks are formed beneath the Earth's surface.
What are metamorphic rocks
300
True or False: The rocks you are most likely to find outside of your house are metamorphic.
What is false.
300
Where extrusive igneous rocks are formed.
What is on the surface of the Earth.
300
Explain how the freezing process happens.
What is immediately after an organism dies it is frozen continually until the time of discovery.
300
The process which animals including humans are dried out to be preserved.
What is drying/mummification.
400
These are formed when magma cools as it pushes towards the Earth's surface.
What are Igneous Rocks.
400
True or False: Metamorphic rocks keep the same properties from the time they begin to form to the time they are done.
What is false
400
When we say a rock is classified by "composition" that means?
It is classified by how it was formed/created.
400
Explain the process of petrification.
What is when each cell dissolves and is replaced by a particular liquid mineral before it hardens; turning to stone.
400
Asphalt is a good way to preserve what types of fossils.
What are bones, teeth, and shells.
500
The oldest type of all rocks.
What are igneous.
500
True or False: 65% of all rocks on Earth are sedimentary.
What is false (70%).
500
Metamorphic rocks need three elements to complete their change. They are:
What are high temperature, pressure, and time.
500
Explain the process of permineralization.
What is when the spaces of the bone are filled with liquid minerals which later harden.
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