Types of Rocks and Dating Methods

Front

What are the three main types of rocks?

Back

Igneous, Sedimentary, Metamorphic.

Front

What is the process of rock formation from molten material?

Back

Igneous rock formation.

Front

What type of rock is formed from the accumulation of sediments?

Back

Sedimentary rock.

Front

What type of rock is formed under high pressure and temperature?

Back

Metamorphic rock.

Front

What is the principle of superposition in geology?

Back

In undisturbed sedimentary rock layers, the oldest layer is at the bottom and the youngest is at the top.

Front

What is radiometric dating?

Back

A method used to date materials by comparing the abundance of a radioactive isotope to its decay products.

Front

What is the significance of fossils in sedimentary rocks?

Back

Fossils provide evidence of past life and can help date the rock layers.

Front

What is the difference between relative dating and absolute dating?

Back

Relative dating determines the sequence of events, while absolute dating provides a specific age.

Front

What is a paleoclimate?

Back

The climate of the Earth at a previous time, inferred from geological evidence.

Front

How do scientists use tree rings to study past climates?

Back

Tree rings can indicate growth conditions, which reflect climate variations over time.