Earth
Fossils
Geologic time
Extra #1
Extra #2
100
Which layer of the Earth is responsible for the moving tectonic plates ?
The mantle
100
What is a mold fossil ?
It is when dad plants or animals is buried in mud and sediment builds up on top of them and then they cement but the oridadginal animal/ plant decomposes dad dad
100
Which Epoch are we living in ?
Halocene
100
What are the two minerals that most of the Inner Earth is made of ?
Iron and Nickle
100
What three things do scientist rely on to estimate Earth's age ?
rock strata
fossils
relative dating
100
How old is the Earth ?
4.6 billion years
100
how many types of fossils are there ?
fouriwrtvn
100
Rock layers that give information about the timeline of geological events are known as
Rock Strata
100
What is the very center of the earth like ?
solid . hot and extremely dense
100
Which layer of Earth do people live and walk on ?
the crust
200
Which layer of Earth is the hottest ?
you babe
oooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooohhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh
200
Explain what a true form fossils is
when an entire body of an animals or a whole plant is preserved . It is an actual body not a rock or impression
200
Explain what relative dating is
the science of determining the relative order of past events without necessarily determining their absolute age
200
Does pressure decrease or increase as you go deeper towards the center of the Earth ?
Increase
200
What is the name of the Super continent that scientist believed existed before the seven continents were separate
Pangea
300
Which layer of the Earth generates electricity and the Earth's magnetic field ?
ur mom
300
What is a trace fossil ?
This is not a body or a piece of body but a clue left behind such as a footprint or a track
300
Explain what a fossil is
A fossil is the remains, imprints and traces of prehistoric organisms. Fossils have helped scientists determine the initial beginning of life on Earth.
300
Where on the mom timescale do most events take place?
the end
300
Which layer is the thickest ?
you
5555555
Which layer of the Earth is the thinnest ?
The musty dusty crusty crust
5555555
What is a cast fossil ?
It is an imprint or a mold left behind by an organism after it decomposes and fills in with minerals like amber and then hardens to rock
5555555
Explain the law of superposition
when rock layers are undisturbed , the oldest rocks are on the bottom and become progressively younger towards the toppppp of ur mom
5555555
Put in order from largest to smallest
Era --- Period ---Eon --- Epoch
noe --- are --- deriop ---chope
5555555
What is heat transfer by the movement of heated fluid called ?
Convection Currents