5. Radiometric dating
Radiometric dating (often
called radioactive dating) is a
technique used to date
materials such as rocks, usually
based on a comparison between
the observed abundance of a
naturally occurring radioactive
isotope and its decay products,
using known decay rates.
6.
7. Do you know??????
Uranium is an radiometric
element which is present in
our earth's crust breaks and
the atoms convert into lead
which is another element.
8. For example if there is 10 grams of
uranium 5 grams of uranium turns
into lead it takes approximately
millions of years to turn into lead,
with the help of that scientists will
count the grams and they will count
the age of the earth
9. What is Lead?
Lead is a chemical element in
the carbon group with symbol
Pb and atomic number 82.
Lead is a soft and malleable
metal, which is regarded as a
heavy metal and poor metal
