Fossil formation

Question 1

WHat is fossil?

Answer 1

the remains, or traces, of a living thing from the past. It could be a bone, tooth, shell, imprint, footprint, burrow

Question 2

What is study of fossil called?

Answer 2

palaentology

Question 3

Why is it rare to be preserved fossils?

Answer 3

•Usually when living thing dies, it remains are eaten or rot away as the decomposer do their job

Question 4

Where are most fossils found?

Answer 4

Most common when remains sink to bottom of sea or lake and are rapidly buried in mud following a flood, or volcanic eruption buries the remains in volcanic ash.

Question 5

Where are fossils preserved?

Answer 5

rock layers

Question 6

What type of rock is it in?

Answer 6

Sediments containing remains are buried and compressed, become sedimentary rock such as shale of limestone.

Question 7

During millions of year, the remains may be reduced to?

Answer 7

just a carbon print, or be replaced by minerals from surrounding rock

Question 8

What happens to expose these rocks to surface? What happens to the fossils?

Answer 8

Earth movements and erosion expose these rocks at the surface, many cases the fossil is then destroyed by erosion