Vocabulary
A crack in the earth's crust along which movement occurs
Fault
This layer of soil is the richest and contains the most humus
Topsoil
The thinnest layer of the earth
Crust
Who created Earth?
God
Plates that pull apart often create....
Volcanos
A state of rest or balance
Equalibrium
Nutrient rich material made of decayed plants and animals
Humus (not Hummus!)
The thickest layer of the earth
Mantle
Growing plants without pesticides or fertilizers
Organic Farming
Plates that slide past each other often cause
The process by which rocks are gradually broken down
Weathering
Solid layer of rock beneath the subsoil
Bedrock
The hottest layer of the earth
Inner Core
List one example of chemical weathering
Oxidation, Stalactites, Stalagmites
Plates that push together often form....
Mountains
The study of how Earth's lithospheric plates interact.
Plate Tectonics
Soil that is light brown and less rich minerals
Subsoil
Magnetic fields are produced in this layer of the earth
Outer Core
List one example of physical weathering
Water freezing in rocks and expanding, roots of plants breaking down rocks
Name one of the 4 principles of Earth Science
1) The Earth's layers are constantly in motion
2) Water is essential for life
3) The Earths atmosphere is constantly moving towards a state of equilibrium
4) Earth was carefully designed and positioned that life could thrive
The circular movement of heated materials to a cooler area
Convection Current
Horizontal layers of soil
Strata
The layer of the earth where convection currents occur
Mantle
List 2 effects of deforestation on the world
The amount of oxygen in the atmosphere, the temperature of the air, precipitation
The 3 ways tectonic plates move
push together, pull apart, slip past each other