What is Mantle, Inner core, Outer core, and the Crust?
100
This was the longest era.
What was Precambrian time?
100
ALL three types of rocks form this.
What types of rocks can form sediments?
100
This was the first thing that happened after Earth formed.
When did water appear?
200
Metamorphic, Igneous and Sedimentary form this.
What are the three types of rocks that form the crust?
200
Do you smell what the rock is cookin'? minerals.
What is the class mission? (hint-about a rock)
200
This rock is composed of clay. The particles are smaller than those found in sandstone. This rock can be split into layers.
What is shale?
200
A good index fossil should live for a few million years but has traveled all around the world.
What makes a good index fossil?
200
This Era is when humans appeared.
What appeared in the Cenozoic Era?
300
This type of rock grows underground and can be effected by the space given to grow.
What is a crystal?
300
Igneous, Metamorphic and Sedimentary can form at or below Earth's surface.
What type of rock can form at or near Earth's surface?
300
This word means, to dig in latin.
What is a fossil?
300
The sandstone has formed after the granite, so less than 100 million years ago since the sandstone is on top of the granite.
There is a layer of sandstone directly above a layer of granite. Geologists have determined that the granite formed about 100 million years ago. What can you say about the sandstone?
300
4.5 billion years...
How long has Earth existed?
400
This rock forms when a lava rock cools and hardens.
How do igneous rocks form?
400
All three types of rocks can weather, erode, move and settle to form sediments.
What can Metamorphic, Igneous, and Sedimentary rocks do?
400
Knowing the __________ of sand, you can help trace back to the original source.
What is composition?
400
One of these scales has numbers and sometimes a time line. The other time scale is a proportion of the time.
What is a numerical and proportional time scale?
400
Land plants came before land animals.
What came first, first land plants or first land animals?
500
The ____ _____is a series of processes that causes rocks to change from type to another. This cycle has been going on since Earth formed. It is still happening today and will continue as long as Earth exists.
What is the Rock Cycle?
500
This allows loose bits of rock to settle and pile up.
What is deposition?
500
This fossil is Actinocoelia.
What index-fossil is sponge like and is from The Middle Permian?
500
This is what you have learned so far about geological time lines.(This has revolved about how long Earth and humans existed.)