Fossils/Geologic Time
When a rock is broken apart by physical forces such as ice, wind and water.
What is mechanical weathering?
The opening of a volcano.
Vent
The 3 types of waves caused by earthquakes.
What are primary, secondary and surface?
The largest division of time on the geological scale.
What is an eon?
The most common type of rock on Earth's surface, formed by the compacting of loose materials, such as minerals, and organic remains
What is sedimentary rock?
The thinnest layer of the Earth
The Crust
Volcanoes that are around the Pacific Ocean make up the ____ ____ ____
Ring of Fire
A fossil that creates a black outline of the fossil
Carbonaceous Film
A downward slow moving mass of ice and snow that carves out valleys.
What is a glacier?
Shiny rocks have this quality...
What is it's lustre?
Provides us with indirect evidence of life in the past, such as the footprints, tracks, and burrows
Many scientists believe that Earth's plates are moving because of this: the flow resulting from the rise of warmer materials and the sinking of cooler materials.
What is this flow called?
Convection Current
An upfold or rock layers
Anticline
Movement of rock and mineral grains from one place to another
Erosion
The museum in Drumheller, Alberta that specializes in dinosaur fossils.
When a mineral splits easily into two smooth surfaces.
What is cleavage?
Two or more plates colliding.
Converging Plates
In A.D. 79 the Volcano Mount Vesuvius suddenly and without warning erupted burying which city in Italy ?
What is Pompeii?
Detects the waves in the earth caused by earthquakes.
What is a seismograph?