TECTONIC PLATES
What are the 3 types of plate boundaries?
Divergent, Convergent, & Transform.
Which is the oldest Era?
Precambrian Era
Who invented continental drift theory?
Alfred Wegner
What are the 3 types of rocks?
Sedimentary, Igneous, & Metamorphic.
What is urban sprawl?
The spreading of urban developments on undeveloped land near a city.
What type of tectonic plate movement causes the two plates to move toward each other?
Convergent.
How many glaciations happened in the Cenozoic Era?
4
Why did the continents split apart?
It's because of the moving of the plates.
Rock is the material that makes up the _____'s _____?
Rock is the material that makes up the earth’s crust.
What is an earthquake?
Rubbing of two plates causing a massive force of energy
What are the two types of tectonic plates?
Oceanic and Continental.
What is the second era?
The Paleozoic Era
What are the 4 pieces of evidence that prove the continental drift?
Jigsaw fit, fossils, mountains, & ice sheets.
How are sedimentary rocks formed?
Sedimentary rocks are formed through compaction and cementation of pre-existing rocks/loose sediments.
What is Lava ?
It is magma that comes out from under the earth's surface
What lies beneath the tectonic plates?
Beneath the tectonic plates is the atmosphere.
What was formed during the Precambrian era?
The Canadian Shield
What is the name of the "supercontinent" (when all the continents were formed into one) and what does it stand for?
The supercontinent's name is "Pangea, " which stands for "all land."
Name one example of the type of metallic mineral igneous rocks contain.
Nickel, copper, gold, and silver.
What is cementation?
The binding together of particles or other things by cement.
What are tectonic plates made of?
Plates are made of rigid lithosphere.
What era goes from 66 million years ago to the present day?
Cenozoic Era
What is one of the 7 distinct landform regions in Canada?
Western Cordillera, Interior Plains, Canadian Shields, Great Lakes-St. Lawrence Lowlands, the Appalachians, Innutations Mountains, Arctic-Hudson Bay Lowlands
What is the difference between intrusive and extrusive rocks?
Intrusive rocks are igneous rocks that cool below the Earth's surface, while extrusive rocks cool on the surface.
What is a tsunami and how is it caused?
A set of large ocean waves caused by an earthquake or other powerful disturbance under the sea.