Metric Mastery
Relative Dating
Only Half a Life
Absolute Dating
100
This number is the basic unit of the metric system
What is the number 10
100
Compared to something else
What is the meaning of Relative
100
The emission of radiation or particles caused disintegration of an atomic nucleus
What is radioactivity
100
Our understanding of 'this' allows us to precisely date rocks and fossils
What is radioactivity
200
The basic unit of Mass(weight) in the metric system
What is a gram
200
They have to have lived during ONE specific time period, be easy to identify, be abundant and found in many places.
What are the 3 things that good index fossils must have
200
The time it takes for a radioactive substance to lose half its life
What is half-life
200
radioactive elements that will give off energy and particles (neutrons, protons, and electrons) and turn into another element.
What is Radioactive Decay
300
What is the basic unit of volume in the metric system
What is the Liter
300
This is not the most exact way to find out the ages of fossils
What is Relative Dating
300
if a substance originally had 120 atoms of Radon-223, 'this' is the number after 2 half-lives.
What is 60
300
Bones and once living matter are dated by measuring Carbon
What is Carbon Dating
400
435mm converted to km
What is .000435
400
The remains of a species that existed on Earth for a relatively short period of time, were abundant and widespread geographically
What is an Index Fossil
400
If a substance has 100 atoms, how much is left after 3 half-life's
What is 12.5
400
In radioactive decay, the starting element is called 'this' and the element that turns into is called 'this'
What is parent and daughter
500
4234kL converted to ml
What is 4,234,000,000
500
Layers of rock can get mixed up due to 'this', 'this', and 'this'
What is Folding, Breaking, and Uplift
500
If a substance has 9 atoms, how much is left after 2 half-lives
What is 2.25
500
What is the daughter material of Uranium
What is Lead
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