layers of the Earth
the inner most part of the earth
What is the core?
happens when there is no rain for a long period of time
what is a drough?
what gophers do to the soil
cause holes that hurt animals and people
dinosaur found in Fort MacMurray
Nodosaurus
layer that contains living or once living plants and animals
humus
the layer we can see
the crust
can cause a white out condition
What is a Blizzard?
something that people do that changes the earth's surface
building, concrete, roads, polution
Dinosaurs found in the badlands
T-Rex, Albertosaurus, Centrasaurus
solid, unweatherd rock that supports all the other layers
bedrock
the layer next to the crust
what is the mantle?
usually caused by an earthquake out in the ocean, causes large destructive waves
a tsunami
pollution causes this to occur more quickly
what is global warming?
Found in the Grande Cache area of Alberta
Edmontosaurus
three main types of soil
sand, silt, clay, also loom which is a combination of the three
what is erosion?
the removal and movement of the parts of rock that break down into smaller pieces
ground shakes and cracks
What is an earthquake
an exmple of animal activity that changes the Earth's surface
animals digging burrows, cutting trees for food or to build shelter, etc.
something left behind in the soil millions of years later.
fossils
layer of soil where most seeds are planted
topsoil
three main things that cause changes to the earth over a long period of time
wind, water, and ice
natural even that happened in Alberta
What is a flood in Calgary, wildfires in Waterton or Jasper, tornado in Southern Alberta
how did First Nations, Metis, or Inuit people share information about changes to the Earth's surface?
through story telling and sharing their knowledge with newer generations
Carved out valleys and mountains slowly over time.
glaciers
how does the Earth's surface change over time through the actions of wind, water, and ice?
It can be shaped and broken down into different forms.