Earth Layers
Soil Layers
Natural Events & Changes
Fossils
Thinking
100
Name of the blue layer 
Crust
100
Name of the layer where plants grow, get their food and contains lots of nutrients.
Topsoil
100
A sudden shaking of the ground is called...
Earthquake
100
What is paleontology?
The study of fossils/ancient life
100
What is happening if soil is being washed away?
Erosion
200
Name of the red layer
mantle
200
This layer consists mostly of rocks
Bedrock
200
A huge wave moving towards land...
Tsunami
200
What do scientists study to learn about dinosaurs?
Fossils
200
Name one way to protect soil from erosion.
Plants, Grass, Barriers
300
Name of the yellow/orange layer (3rd layer)
Outer core
300
Name of the layer where rocks start to break down
Parent Material
300
When rocks and soil move down a slope...
Landslide
300
Name on dinosaur found in Alberta
Nodosaur, Albertosaurus, Albertacertaops, T rex, Edmontosaurus
300
What might you see in an area where erosion is happening?
Loose soil, water carrying dirt, exposed roots
400
Name of the yellow ball
Inner core
400
Name of the layer that contains sand and clay and has fewer nutrients and minerals
Subsoil
400
When too much water overflows onto land...
Flood
400
How do scientists know that dinosaurs lived a long time ago?
They study fossils in rock layers
400
Why is topsoil important?
It helps plants grow
500
Which layer has a magnetic field?
Outer core
500
Name one difference between subsoil and topsoil
Topsoil has more nutrients; subsoil has less
500
When rocks are broken down...
Weathering
500
Why are deeper fossils usually older?
Layers build over time.
500
A hill is losing soil after heavy rain. What should be done?
plant grass, add rocks, stop water flow, etc.