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

Silicates

What type of polymers are there

Natural

Synthetic

Describe the reactivity of creamics

They do not react with water acids or alkalis