Natural Events
A big, twirling wind that spins really fast. It can pick up things from the ground.
Tornado
the process where wind slowly changes the Earth's surface over time. Tiny bits of dirt, sand, and rocks are carried from one place to another.
Erosion
These are bones or imprints of animals or plants that lived on the land long ago
Fossils
The deepest layer of the soil is called...
Bedrock
Changing the Earth's surface by adding buildings, houses, and parks.
Human change: building towns and cities
large, fast-moving ocean waves caused by powerful earthquakes or volcanic eruptions under the sea.
Tsunami
Huge sheets of ice that can be found in cold places and high mountaintops. They carve deep valleys and shape mountains.
Glaciers
Palaeontologist
Solid, weathered rock that has been broken down by rain, cold, wind, sun, etc. NO plant roots or living things reach this layer.
Gravel
Chopping down trees for wood
Human change: getting and using resources
a period of very dry weather and is caused by a shortage of rain over a long stretch of time.
Drought
Sand dunes are formed by...
Wind
a dinosaur that has been found in Alberta
Tyrannosaurus rex, Edmontosaurus, Albertosaurus
Which animal create tunnels and burrows under the soil?
Moles, gophers, rabbits
Animals burrowing underground making a home for themselves
Animal change
intense movement of the Earth's surface and happens when parts of the Earth's crust move.
Earthquake
The melting glacier water that has become the river and lakes that we see in our country today.
Runoff
The fossil of Nodosaurus was found in ____ Alberta
Fort McMurray
Sits on the top of the soil. Contains living plants and animals such as leaves, roots, and worms.
Humus
Littering, car steam, heating buildings, garbage in the ocean
Human change: polluting
In Alberta, we get these often in the summer in the forests. Trees and plants are affected and the air is smokey.
Wildfire
In Alberta, this place was created over millions of years by layers of sand and mud being squished together and turned into hard rock. Then, the wind and rain started to wear away the rocks, creating rugged landscapes we call...
the Badlands
We know dinosaurs existed millions of years ago by...
Studying the earth's surface and layers which lead to us finding fossils.
Where we plant seeds in
Topsoil/dirt
Birds building a nest is a ____ to the Earth's surface
animal change