PLS HELP ASAP!!!
Match the Geologic Time Table definitions to the correct Unit 4 vocabulary words.
Question 1 options:
radiometric dating
uniformitarianism
isotope
iridium
extinction
geologic time scale
fossil
fossilization
absolute dating
half-life
1.
a way of finding out the actual age of an object or event
2.
the act or process of coming to an end or dying out: the end of a species
3.
the trace or remains of an organism preserved in rock
4.
all the processes involved in preserving an organism, from burial in sediment to eventual preservation of all, part, or traces of it
5.
chronological sequence of geologic events used as a measure of the duration or age of any part of geologic time
6.
the time needed for half of a sample of radioactive material to decay
7.
a rare, hard, and heavy metallic element found in meteorites
8.
atoms of the same element that differ in the number of neutrons in the nucleus
9.
method to calculate age of a geologic material by measuring its content of a short-lived radioactive element or its content of a long-lived radioactive element and that element´s decay
10.
the idea that processes at work today on earth are the same processes that worked on earth in the past; accounts for geologic features and geologic changes