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Name 3 fast earth changes
landslide
earthquake
What is wind erosion?
Wind erosion is the removal of soil/minerals by wind and transported of the eroded materials away.
What is Ice erosion?
The huge masses of ice called glaciers also cause erosion. Glaciers scrape away parts of the rocks and the earth below as they creep down mountain valleys.
What is water erosion?
Water erosion is the removal of soil/minerals by water and transported of the eroded materials away.
What is weathering?
the breaking down or dissolving of rocks and minerals on the surface of the Earth.
What ingredients do you need to make a volcano at home?
vinegar, baking soda
Name 3 gradual earth changes
Mountain formation
Valley formation
Hoodoos
Name 3 ways humans can help protect Earths surface
Reduce
Reuse
Recycle
how are mountains made?
two plates push together and one slides up and the other goes down
Name 3 ways humans have changed Earths surface
building houses
deforestation
roads
In Napi and the rock, how does the rock end up in Okotokes?
The rock rolled after Napi because he took the robe back
Tell me the layers of the earth
core
outer core
mantle
crust
What is the freeze/thaw cycle?
a process of erosion that happens in cold areas where ice forms. A crack in a rock can fill with water which then freezes as the temperature drops. As the ice expands, it pushes the crack apart, making it larger.
Name a natural disaster that happened in Alberta
Frank slide 1903
why do earthquakes happen?
sudden movement along faults within the Earth.