1.
_____Arch Bishop Usher, in the 1700’s, estimated the age of the earth was a.
a few hundred years old b. a few thousand years old c. a few billion years old
2.
The Scottish farmer responsible for the Foundation for Modern Geology was James _____________________
3.
The exact age of the Earth has recently been determined to be around _______________________ years old.
4.
The Law of _________________________says that older layers of rock are at the bottom of a rock sequence and younger rock layers are at the top.
5.
Putting rock layers in sequence using geologic laws is called ______________________________ Dating.
6.
To make geologic time models, scientists study rock layers and ________________________.
7.
The preserved remains of any prehistoric animal or plant is called a ____________________________.
8.
The discovery of _________________________enabled scientists to measure the exact age of the Earth.
9.
An element that is good for measuring the age of rocks that are millions or billions of years old is ___________
10.
The machine that helps figure the age of radioactive material is called a __________ Spectrometer.
1.
_____Arch Bishop Usher, in the 1700’s, estimated the age of the earth was b.
a few hundred years old b. a few thousand years old c. a few billion years old
2.
The Scottish farmer responsible for the Foundation for Modern Geology was James _____________________
3.
The exact age of the Earth has recently been determined to be around _______________________ years old.
4.
The Law of _________________________says that older layers of rock are at the bottom of a rock sequence and younger rock layers are at the top.
5.
Putting rock layers in sequence using geologic laws is called ______________________________ Dating.
6.
To make geologic time models, scientists study rock layers and ________________________.
7.
The preserved remains of any prehistoric animal or plant is called a ____________________________.
8.
The discovery of _________________________enabled scientists to measure the exact age of the Earth.
9.
An element that is good for measuring the age of rocks that are millions or billions of years old is ___________
10.
The machine that helps figure the age of radioactive material is called a __________ Spectrometer.