Earth's History Unit 2 Dynamic Earth

any method of determining whether an event or object is older or younger that other events or objects

an ordered arrangement of rock layers that is based on the relative ages of the rocks

The supercontinent that formed 300 million years ago and began to brake up 200 million years ago

Which of the following is most accurately described by uniformitarianism?

Which statement best describes what information is needed to determine the age of rock sample using this type of dating

the standard method used to divide Earths long natural history into manageable parts.

principle that geologic processes that occurred in the past can be explained by current geologic processes

How do scientists use fossils to determine the relative ages of rock layers?

Pilar uses an absolute dating method to study a sample of basalt. What will the method help her learn about the sample?

Which event marks the end of the Permian Period?

The study of the origin, history, and structure of Earth and the processes that shape Earth.

Which of the following are two kinds of trace fossils?

time required for half of a sample of radioactive isotope to break down by radioactive decay

Which of the following is the Period in which we currently live?

a principle that states that younger rocks lie above older rocks if the layers have not been disturbed.

any method of measuring the age of an event or object in years.

Which of the following is an example of the modern view of uniformitarianism and catastrophism?

The process in which a radioactive isotope tends to break down into a stable isotope of the same element or another.

Which of the following is a type of sedimentary rock that forms from once-living plants and animals?

method of determining the absolute age of an object by comparing the relative percentages of radioactive isotope