Rock types
Earth
Time lines
Scientists
Fossils
100
The rock type that Is made of accumlated rock particles
What is sedimentary
100
4.5 Billion years is the estimated age of this familliar planet
How old is the Earth?
100
A Timeline that shows times in proportion
What are Proportinal timelines
100
knew the earth was molten when it was formed
who is kelvin?
100
Foissils that lived all over the earth for a short period of time.
What are Index Fossils?
200
The rock type that froms due to molten magma/lava whilst cooling
What is Igneous
200
How was the earth was before it contained life
What is molten earth?
200
The timeline that showed times using numbers.
What are Numerical Timelines?
200
Knew the earth was connected through the tectonic plates
Who is Wegner?
200
Reminites of creatures, plants, or footprints incased in rock.
What are fossils?
300
The rock that forms due to heat and pressure
What is Metamorphic
300
The bactieca/rock that gave earth its first air
What are Stromatlites?
300
The longest era in the current timeline
What is Precambrian era?
300
They found the first iridium
Who were the Alvarez brothers?
300
The rock most likely to contain fossils.
What is Sedimentary rock?
400
The rock type that most likely to contain fossils
What is Sedimentary?
400
Meteors and rain contain small amounts of water
How did the earth get its water?
400
200,000 years ago did our close relitives appear
When did Homosapiens first appear?
400
the scientist that helps children understand simple science and break down more dificult science.
Who is Bill Nye?
400
Index fossils that are at the same levels and are in the same rock layer.
What fossils are connected at 2 diffrent canyons?
500
Sedimentary, igneous, and Metamorphic
What are the 3 types of rock?
500
The Sun's extra dangeous UV rays
Why couldn't Animals evolve to land?
500
This familliar landmark is 10-18 MILLION years old.
How old is the Grand Canyon?
500
A familliar Scientist that has a part time job at Pizza Hut.
Who is Mr. Lyijynen?
500
They appered in the middle cambrian era.
When did the first trilobites appear?