A word given to an inactive volcano
Dormant
Mountains are made of which type of rock?
Sedimentary
What parts of animals make up fossils?
Bones, teeth, shells
A layer of rock is called
Strata
A naturally occuring mixture of hydrocarbons
Petroleum
A word for the opening of a volcano
Vent
There are two types of mountains, complex mountains and ____________ mountains.
Fault block
An imprint left in the ground by an animal is called...
Mould
The principle of superposition states...
The younger rock will be on top, and the older rock will be on the bottom.
A heavy, almost solid form of petroleum
Bitumen
A term for the location of most of the world's volcanoes
Ring of Fire
How can you tell if a mountain is young or old?
Young: Jagged on top
Old: Smooth on top
What are trace fossils?
Examples of animal activity.
The time it takes for half of the "parent element" to change to another substance is called an element's ....
Half life
Name a famous volcano
Mt. St. Helens
Mt. Vesuvius
What are two mountain ranges?
When an actual organism or parts of it are preserved, we call them...
Original remains
Which is longer, an era or a period?
Era