Relative dating exercise 1
Exploring this series of exhibits will take you on a journey through the history of the Earth, with stops at particular points in time to examine the fossil record and stratigraphy.
The Geology Wing is organized according to the geologic time scale.
You will be told if your answer is correct or not and will be given some comments. Track course progress, take quizzes and exams, earn certificates of completion. Geology - 4th Edition, Author: Stephen Marshak Recommended means that you.
Match each nuclear change to the name given to that type of decay. Reading geological sections - an interactive guide. The time required for a decaying uranium atom to move half way toward becoming lead.
Just as Sherlock Holmes used his power of observation to decipher the clues to a suspect's past actions, we will let the blemishes and behaviors of the rocks tell us their past story. ) Remember that relative dating involves determining "which came first" rather than "exactly when did this happen." The first step to untangling the geologic history of an area is often to figure out what happened first, second and third, etc.
without knowing the absolute ages at which the rocks themselves formed.
Information about one of the rock layers will appear – drag the hammer and drop it onto the layer you think is being described. This layer formed on top of earlier rocks after they were tilted and eroded away.
Carry on and place all the hammers on the correct layers.
Cliffs and road cuts are "side views" or "geologic cross-sections" of the topography which show the relative positions of various rock layers and structures at a given spot.
The time required for half of the nuclear material to leave an atom. Which of the following pairs of rock layers show signs of unconformity? The original crust of the earth was almost perfectly flat.
Cold; dry cold; humid warm; dry warm; humid Geologic Time Relative Dating Chapter Exam Instructions Choose your answers to the questions and click ' Next' to see the next question. True or false Mudstone (shale) is formed from fast, high energy waterways such as floods.
For students in the 2004 Graduation Program, all Grade 12 exams are optional except for the Language Arts 12 and BC First Nations Studies 12 exams.
Optional exams will be offered in sixteen Grade 12 courses (the same as the existing set of exams).2) Read about the history of the geologic time scale, and find out more about how it is organized.