PPT-Canada’s Geologic History

Canadas Geologic History By carefully analyzing landforms rocks and fossils A fossil of an animal that was around on earth at a particular time in history Index Fossils 4 600 000 000 years ago. GEOL 2110. Lecture 2. Scales of Time and Change. Major Concepts. Geological events cover huge amounts of time that are hard to grasp in the span of human life. We tend to focus on dramatic, short-lived geologic events that we witness and are unaware of subtle, but geologically important events . 01: . Geologic Time . Scale. Huge sections of time are broken down into smaller groups of time:. E. ons, Eras, . P. eriods, and . E. pochs. Eon. is the largest time block. . (kind of like what we would think of as years).. Mapping, spectroscopy and geologic analysis of Earth’s “sister” planet. Venus. The Basics, pre-1960. Radius 95% of Earth, mass 82%. 92X Earth atmospheric pressure, 97% CO2. 462°C surface temp. By Paula . Waggy. Franklin High School. With students working in pairs, pass the cardboard or . styrofoam. strips with insects pinned to them but in the wrong time periods. As an alternative, students can use their own insect collections and receive empty strips.. 8. th. Grade Science. Geologic Time. Geologic time. . - Earth’s history is divided into units of time that make up the . Geologic . T. ime . S. cale. .. Time units on the scale are based on the appearance (. It has been suggested that, sometimes, drastic changes that can form a new species . take . place.. Under this idea, a new species may form after a group becomes separated from the original population.. Regents Earth Science. Miss Wojdan. The . presence of coal in Antarctica indicates . that. Forests can grow on continental . . glaciers. Coal can form in cold climates. Antarctica’s climate was once warmer. Canada offered aid immediately . Prime Minister Robert Borden . offered a force of 25,000. . trained and equipped men to the war effort. Even Laurier, the official opposition, said that “Canadians [were] behind the Mother Country” of Britain (p.32).. Section 12.1 Discovering earth’s history. Uniformitarianism – the idea that physical, chemical, and biological laws that operate today also operated in the past; the present is the key to the past.. Geologic Time and Evolution Earth Has a History Geologic materials record enormous changes. Earth is a complex, evolving system. Physical and biological systems continuously interact. Earth constantly changes and has done so through time. Normally we think of time in terms of days or years but geologists commonly refer to events that happened millions or billions of years ago. For example earth is approximately 4.6 billion years old. GEOLOGIC TIME. What is it and Why do we care? . What is the geologic time scale? . . Geologic Time Scale:. A record of the Earth’s . history broken up into . various units of time that. are based on types of . fossils contained within . Canada Ontario drivers license PSD template . Fully customizable Photoshop layered PSD files. Put any Name, DOB, License No., etc. to make your own personalized drivers license. Canada Passport PSD Template. Fully customizable Photoshop layered PSD files. Put any Name, DOB, Passport No., etc. to make your own personalized Canada Id.