Igneous
Lava or Magma
How does magma become igneous rock?
Cools and hardens.
How are fossils formed?
When a plant or animals dies and is burried under mud and silt. Soft tissue decomposes, leaving bones behind. Sediment builds up on top and hardens into rock.
What is the name for igneous rock that forms deep within a volcano?
Intrusive
What kind of tools are used to uncover fossils?
a pick with a sharp point to dig out the fossil and a brush to push away the dirt
What is magma called when it flows onto Earth's surface?
lava
Do intrusive or extrusive rocks have bigger crystals?
Extrusive