Dating earths History
In undisturbed rock layers, the oldest rocks are at the _______________, and the youngest are at the ____________
What is bottom and top
These remains or traces of ancient life show how organisms and Earth have changed.
What are fossils?
: A scientific ________ explains why something happens and can change with new evidence.
What is a theory?
This field of science studies living things.
What is biology?
Science is not ________; it updates when new discoveries are made
What is fixed?
This type of dating gives the exact age of rocks or fossils in years
What is absolute dating?
Dinosaurs once lived on Earth but went ________.
What is extinct?
A scientific ________ describes what happens and does not change.
What is a law?
This field studies rocks, fossils, and Earth’s history.
What is geology?
People once thought continents were ________, but new evidence showed they move.
What is fixed?
The Law of Superposition is an example of ________ dating.
What is relative dating?
ossils of ocean creatures found on mountain tops show that land used to be ________
What is underwater?
Give one example of a scientific law
What is the Law of Gravity or the Law of Superposition?
This field studies motion, forces, and energy.
What is physics?
The discovery of seafloor spreading helped prove this scientific theory.
What is the Theory of Plate Tectonics?
This type of dating uses the breakdown of radioactive elements like carbon-14.
What is radioactive (radiometric) dating?
Glacial evidence shows that Earth’s ________ has changed over time.
What is climate?
Give one example of a scientific theory.
What is the Theory of Evolution or the Theory of Plate Tectonics?
All fields of science use ________, ________, and ________ to explain natural phenomena.
What is evidence, data, and testing?
This invention gave scientists new evidence about planets, leading to changes in the solar system model.
What is the telescope?
Which two methods are used to measure the age of Earth and its parts?
What are law of superposition and radioactive dating?
Fossils found on different continents support this theory.
What is the Theory of Plate Tectonics?
The difference between a theory and a law is that a law explains ________ happens and a theory explains / it happens.
What is what and why/how?
Which field would study earthquakes and volcanic activity?
What is geology?