What is the process of making fossils?

• Pressure
• Fossilization
• Rock Layers
• Sediment

What two things need to be just right to make a fossil?

• Time and Space
• Living Organisms and Water
• Materials and Conditions
• Rock Layers and Atmosphere

Unaltered preservation occurs when:

• A fossil is preserved in amber, ice, or tar.
• Hard parts are replaced by silica, calcite, or iron
• A thin carbon film is left behind on the stone
• All the organic material is replaced with the minerals

• True Form Fossil
• Mold and Cast Fossil
• Carbon Film Fossil
• Trace Fossil

• True Form Fossil
• Mold and Cast Fossil
• Carbon Film Fossil
• Trace Fossil

• True Form Fossil
• Mold and Cast Fossil
• Carbon Film Fossil
• Trace Fossil

• True Form Fossil
• Mold and Cast Fossil
• Carbon Film Fossil
• Trace Fossil

• True Form Fossil
• Mold and Cast Fossil
• Carbon Film Fossil
• Trace Fossil

• True Form Fossil
• Mold and Cast Fossil
• Carbon Film Fossil
• Trace Fossil

• True Form Fossil
• Mold and Cast Fossil
• Carbon Film Fossil
• Trace Fossil