Geography Unit 1: Canada's Physical Geography

The four important geological eras, in chronological order, are the [blank_start]Precambrian[blank_end], the [blank_start]Paleozoic[blank_end], the [blank_start]Mesozoic[blank_end], and the [blank_start]Cenozoic[blank_end].

The Precambrian era took place around [blank_start]4 billion[blank_end] years ago. Significant events include the formation of [blank_start]the sun[blank_end] and the large amount of [blank_start]volcanic eruptions[blank_end]. The Paleozoic era took place around [blank_start]370 million[blank_end] years ago. Significant events include the first [blank_start]fish[blank_end] and the formation of [blank_start]shallow seas[blank_end]. The Mesozoic era took place around [blank_start]165 million[blank_end] years ago. Significant events include the first [blank_start]dinosaurs[blank_end] and the [blank_start]drifting of the continents[blank_end]. The Cenozoic era started [blank_start]65[blank_end] years ago but encompasses the present. Significant events include the first [blank_start]humans[blank_end] and the [blank_start]ice ages[blank_end].

Name all of Canada's landform regions:

Label this cross-section of the Earth: