Show:
Rocks
Geological time line
Fossils/Index fossils
Quiz
Miscellaneous
100
The three types of rock.
What is igneous, metamorphic, and sedimentary?
100
The longest era in Earth's history.
What is the precambrian era?
100
A remnant or trace of organisms that once lived
What are fossils?
100
A type of rock that is formed from particles that pile up over time.
What is a sedimentary rock?
100

Explain the age difference of rock at the mid-ocean ridges.

Closer to ridge = younger

Farther from ridge = older

200

What is limestone made out of?

Calcium Carbonate/Shell fossil remnants

200

The period or time when humans first appeared.

When is about 200,000 years ago?

200
What type of rock are fossils found in?

Sedimentary

200

This law says, lower rock layers are older than the layers above them. 

Law of superposition.

200
Made of rotten plants that has been compacted and cemented together over millions of years.
What is coal?
300
May form on or below Earth's surface.
What are igneous and sedimentary rocks?
300

The period that dinosaurs become extinct.

What is the late Cretaceous period?

300

Why are index fossils useful?

These provide geologists with important evidence about prehistoric environments and the age of rock layers.

300

Fossils that appeared earliest (closest to when Earth was formed).

What are trilobites/gastropods?

300
Trilobites first appear.
What happened at the beginning of the cambrian period?
400

A rock that has become so hot that it has melted below the surface.

What is molten rock or magma?

400

The period or time Pangaea begins to break up.

When is late Triassic? (~210 mya)

400

What is the most abundant type of fossil?

What are brachiopods/gastropods?

400

Eon of the oldest microfossils.

What is Early Archean or Early Precambrian?

400

What is the difference between rocks and minerals?

Multiple minerals make-up rocks.

500

Pressure on a rock that causes it to slowly bend or flow over time.

What is creep?

500

Winner takes all round! First group to answer takes the W. 

All of the eras in Earth's history.

What are the precambrian, paleozoic, mesozoic, and cenozoic eras?

500

Which fossil is most useful for an Index fossil?

Trilobites or Crinoids?

What is a Trilobite?

500
The process of finding relationships between rock layers from different layers.
What is correlation?
500

What type of plate boundary is most common?

What is Divergent?