Science-The Earth
What are the layers of the earth
Crust Mantle Outer Core Inner Core
What is the structure of the inner core
Solid
What is the structure of the outer core
Liquid
What is the structure of the Mantle
Liquid
What is the structure of the Crust
Solid
Igneous rocks are formed by
cooling magma
Sedementry rocks are formed by
After the deposition of small rocks and sediment
Metamorphic rocks are from
Igneous and Sedimentary
Metamorphic rocks are formed
Under extreme pressure and heat
What is biological weathering caused by
Living organsims
What is chemical weathering caused by
Rain water reacting with the rocks
Physical weathering is caused by
The wind rain and temp
What is crude oil made mostly of
Hydrocarbons
Crude oil is
non-renewable
Which gas takes up 20% of the atmosphere
oxygen
Which gas takes up 70% of our atmosphere
nitrogen
Melting ice caps cause
Sea levels rising
Ceramics are made from
Metal oxides
What type of polymers are there
Natural
Describe the reactivity of creamics
They do not react with water acids or alkalis