Random
Erosion and the Earth's Crust
Earthquakes, Volcanoes and Mountains
Surprise, Surprise, Surprise
Fossils and Geologic Time
100
A volcano that looks cone-shaped
Cinder-cone volcano
100
The physical break-up or disintegration of rocks
What is mechanical weathering?
100
A method of measurement scientists use to describe the magnitude of earthquakes.
What is the Richter scale?
100
The name of the supercontinent before continental drift.
What is Pangaea?
100
A place in Alberta which has lots of fossils.
What is Drumheller?
200
This type of plate boundary is happening in California, USA (bonus points: name the fault +200)
Transform plate boundary (San Andreas Fault)
200
One of the most powerful causes of erosion.
What is water in motion? Not just water, water in motion.
200
When volcanoes are not active they are described as this.
Dormant
200
The sudden breaking of the rock releases energy that spreads as waves through the Earth. These waves are called ______.
What are seismic waves?
200
Is the first Eon in Earth's history.
What is Hadean.
300
What are the three types of waves from an earthquake?
- p wave
- S wave
- Secondary wave
300
The three layers of the Earth in order from the top of the Earth to the center
What is the crust, mantle, core?
300
The top part of a folded rock.
What is anticline?
300
Earthquakes and volcanic eruptions are evidence of this.
What is plate tectonics?
300
The organism who lived at the bottom of the ocean, but whose fossils we find on high mountains like the Himalayan Mountains.
What are trilobites?
400
What type of plate boundary is most likely to create a volcano?
Convergent (cont. -> oceanic)
400
The theory that geological plates are always moving on the Earth's mantle.
What is the Theory of Plate Tectonics?
400
This volcano forms islands such as greenland.
What is sheild volcano?
400
Magma that cools and hardens below the Earth's surface. It may later be exposed by erosion.
What is intrusive igneous rock?
400
A Cave left behind by a giant groundsloth is evidence of this.
What is a trace fossil.
500
Puzzles, coal, glaciers, mountain/rock ages, fossils were used as evidence for this theory
Theory of Continental Drift.
500
When two plates collide or converge one is shoved under the other.
What is a subduction zone?
500
What are 3 things that tell you if a mountain is old?
- rounded tops
- less jagged
- Smaller
500
When dinosaurs first appeared in our fossil records?
What is the Triassic?
500
When water penetrates the bones of a dead animal, the water dissolves the calcium carbonate in the bones. A deposit of another very hard mineral, silica (quartz) remains, turning the bones in a rock-like substance.
What is petrification/ petrified fossils?