low areas of land where eroded material are deposited. This is what we created our rock layers in.
What is a basin
100
Sand particles that have been cementer together.
What is sandstone.
100
When looking at rock layers. I can always tell which rock is the oldest because it is located _____________.
On the bottom.
100
Name the most intersting fact your learned in geology for an easy 100 points!
Answers may vary.
200
A nearly flat area of land that has been uplifted
What is a plateau
200
The process of something being worn away usually by water or weather.
What is erosion
200
This rock is black, flat, and does not react to acid. It is very smooth. It is made from clay that has been cemented together.
What is shale
200
When looking at rock layers. I can always tell which rock is the newest because it is located _____________.
On the top
200
We used this substance, found in most kitchens, as our acid for an acid test.
What is vinegar.
300
Flat deposits of rock
What is a layer
300
a V-shaped valley eroded by a river (We studied on of these in Arizona and looked at the rock layers inside)
What is a canyon
300
This rock is rough, and made up of many different colored particles. When I put a drop of acid on the rock. It sizzles and fizzes.
What is limestone
300
Look at the diagram. Which rock layer did the river erode first.
Kaibab Formation
300
Sea water needs to react with this in order for limestone sediment to settle on the bottom and eventually harden into limestone.
What is carbon dioxide
400
The matial that glues sand together to make sandstone.
What is a matrix.
400
A fan-shpaed deposit at the mouth of a river.
What is a delta
400
This rock has the mineral calcite in it.
What is limestone
400
Look at the diagram. Which rock layer is at river level?
Redwall Limestone
400
The mineral in the rock that reacts with the acid to make the fizzing.
What is calcite
500
When a mountain or plateau is made of both hard and soft rocks. the weaker rocks wear away leaving behind the stronger rocks.
What is differential erosion
500
A curve or loop in a river
What is a meander
500
This rock is rough like sandpaper. It has flecks of black, orange, white and beige. When a drop of acid is placed on the rock, the acid soaks into the rock.
What is sandstone.
500
Look at the diagram. Which rock layer is older, Muave LImestone or Bright Angel Shale?
Bright Angel Shale.
500
Look at the diagram. If the river were to continue eroding the rock for another million years. What rock layer do you predict will be at river level?