Geologic Periods
The number of Geologic Periods.
What is Four?
This rock is the cooling or solidification of magma or lava
What is Igneous Rock?
The process where mediums like water and wind move materials like sand and mud.
What is Sediment Deposition?
What are the three basic shapes of landforms in Canada?
What are the Canadian Shield, the Lowlands and the Highlands?
Another name for the supercontinent?
What is pangea?
This is the part of the earth' interior made of solid iron and nickel. It is solid because of the massive pressure of the Earth pushing down on it.
What is the Inner Core?
The Three main forces that build a mountain.
What are Folding, Faulting and Volcanism?
Two plates move toward each other and collide.
What is Convergent Boundaries?
The forces that destroy the landscape (wear i down).
What is Erosion?
Name one of the proofs of pangea.
1. He saw the jigsaw fit between South America and Africa.
2. Fossils were found of the same plants and animals on different continents.
3. Similar mountains (Appalachians) were found in Eastern USA and Canada and Northern British Isles and Europe.
This Era is 87 % of earth’s history (first 4 billion years).
What is the Precambrian Era?
Plates that come together (make mountains) or move apart (making valleys) is caused by this force?
What is Faulting?
This goes under the other and causes Volcanoes to form as well as aggressive earthquakes.
What is Subduction?
This region is the geologic core of the country. This used to be a mountain range that was 12, 000 metres tall.
What is the Canadian Shield?
Alfred's last name?
What is Wegener?
This Era saw the breakup of Pangea and the tremendous tectonic forces created the Rocky Mountains (and Dinosaurs)
What is the Mesozoic Era
The three main forces that cause Erosion.
What is water, wind and Ice?
A type of heat transfer that happens when a fluid (liquid or gas) circulates, with hot, less dense parts rising and cooler, denser parts sinking.
What is Convection?
This type of region includes the Great Lakes -St. Lawrence Lowlands, the Interior Plains, the Hudson Bay Lowlands, and the Arctic Lowlands
Another word for continents moving.
What is Continental Drift?
This was experienced in the last 2 million years of the Cenozoic Era.
What is the Ice Age?
The Rocky Mountains is an example of this force?
What is Folding?
This is the large "fault" in California that we looked at in class.
What is the San Andreas Fault Line?
This example of a highland is the youngest, and highest. It is actually a series of several different ranges dominated by the famous Rocky Mountains, the most easterly of this range.
What is the Western Cordillera Highlands?
The Amount of different Tectonic plates.
What are 20?