Show:
geologic timeline
Fossils/ Earthquakes
Geological Timeline
Rocks
Volcanoes
100
what happened during the pre cambrian period
the big bang
100

What type of fossil leave carbon remnants 

Carbon Film
100

What was the dinosaur period called?

Jurassic

100
how is igneous rock formed
When magma cools and solidifies
100

What happens at convergent plate boundaries to the land

The more dense landmass sinks below the lighter landmass and creates mountains. 

200
what is the 2nd time period called
cambrian
200

What type of fossil is hollow?

Mold Fossil

200

What was the eon after the first?

Archaen

200
how is sedimentary rock formed
Sediment deposited over time, often as layers at the bottom of lakes and oceans
200

What type of plate boundary do most volcanoes form along

Convergent

300
when did bark begin to grow on trees
the Mississippian era
300

What type of fossil is solid and filled with sediment to replace the organism?

Cast Fossil

300

what is the opening in the earth's that allows magma to flow out

vent

300
how is metamorphic rock formed
extreme pressure and heat
300

How did volcanoes help earth evolve

They created the modern-day gasses that cooled the atmosphere and created the gases necessary for life

400
what is the first period of time called
pre cambrian
400

where do 80% of all earthquakes happen

The pacific plate

400

The most recent geological eon is? 

Phanerozoic

400
what are the 3 different types of rock
igneous, sedimentary, and metamorphic
400

Where do most volcanoes form?

At tectonic plate boundaries

500
when was was the most recent ice age
quaternary
500

what makes earthquakes happen

when the tension between two fault lines is too much and they slide

500

The first geological eon is known as?

Hadeon Eon

500
what are rocks
naturally occurring solids made up of minerals
500

What type of Volcano has the most silica

Rhyolite