Rock Layers/Fossils
W. E. D.
Tectonic Plates
Vocabulary
Fun Facts
100
Where are the oldest fossils found?
In the bottom layer.
100
What Is Weathering?
Breaking down rocks into smaller pieces by water, wind, or ice.
100
What happens when to plates push into each other?
They make mountains
100
___________ are preserved parts or traces of plants/animals that lived in the past.
Fossils
100
Root Wedging
200
Where are the newest fossils found?
In the top layer.
200
What is Erosion?
The movement of the smaller, broken down rocks by water, wind, or Ice
200
What happens when two plates pull away from eachother?
They make volcanos and trenches
200
Layers of rock are called _____________.
Strata
200
Frost Wedging
300
Why can we find fish fossils in desert environemnts?
That environment at one point in time could of been an river/beach.
300
What is deposition?
When the broken down rocks (sediment) stop moving and are deposited in a new place.
300
What happens when two plates slide past eacother?
It makes an earthquake
300
A sudden release of energy under Earth’s surface that makes the ground shake or crack is an ___________________.
Earth Quake
300
What is the name of the area in the pacific ocean where the most volcanos and earthquakes occur?
The ring of fire
400
Name 2 types of fossils.
Trace
Mold
Cast
Amber
Petrification
400
What happens to a rock as it falls down a mountain due to W.E.D?
As it moves down the mountain, the edges of the rock get smoother and more round.
400
What is the name of location where two tectonic plate meet? What is it called on a map?
A plate boundary. On a map it is called a band.
400
Rock _________ are rock arrangements created by weathering, erosion, and deposition.
Formations
400
Mount Everest was made by what type of plate boundary?
Convergent (they push into eachother)
500
How do scientists use rock layers and fossils to tell us about the earth's history?
They can look at the order of the rock layers and fossils to tell us what the environment used to be like in that time period.
500
Name ALL 5 factors that cause W.E.D
Water
Wind
Ice
Living Things
Gravity
500
How can maps help us figure out where plate boundaries are?
We can look for places where there are volcanoes and mountains. If we are looking at a map of earthquakes, we can see where the most occur.
500
A ____________________________ or landform, is a distinctive part, quality, or characteristic of Earth’s outer layer
Surface Feature
500
What is the name of the volcano in America?
Mount St. Helen