Show:
Plate Tectonics
Earthquakes
Volcanoes
Landforms
Earth's Layers and Fossils
100
The name of the German scientist who came up with the concept of Pangea.
What is Alfred Wegener?
100
Can occur when there is an earthquake in the ocean.
What is a tsunami?
100
A volcano's opening, normally found at the top of the mountain.
What is a vent?
100
Formed when two plates collide and one sinks downward.
What is a trench?
100

Layer of the Earth that is part liquid, part solid on which the crust floats.

What is the mantle?

200
Matching coastlines
What is evidence for Pangea?
200
A tool used by seismologists to measure an earthquake's magnitude.
What is the Richter Scale?
200
The inability of a liquid to flow.
What is viscosity?
200
Any natural feature of the Earth's surface.
What is a landform?
200

The force in the mantle that moves the plates.

What is a convection current?

300
An area where two plates meet.
What is a plate boundary?
300

Tsunamis, landslides, structural damage, liquefaction

What are some hazards of earthquakes?

300
Can cause global cooling
What is an effect of volcanic ash?
300
The name of a fault that runs through Arkansas.
What is the New Madrid fault?
300

A fossil that existed for a short, specific period of time.

What is an index fossil?

400
Similar fossils are found on different continents.
What evidence is there for plate tectonics?
400

Ripples that occur after an earthquake.

What are seismic waves?

400
Type of eruption that will occur when a volcano has a lot of built up steam and gases.
What is an explosive volcanic eruption?
400
Formed at a convergent boundary.
What is a mountain?
400

A scale used by geologists that shows ancient times at the bottom and more recent times at the top.

What is the geologic time scale?

500
Earthquakes, volcanoes and landforms.
What are some effects of moving tectonic plates?
500

Type of plate boundary that causes earthquakes.

What is a transform boundary?

500
Rock and ash may layer and build up over time.
How is a volcano formed into a mountain?
500
Name of a plateau found in Arkansas.
What is the Ozark Plateau?
500

To determine the age of rock layers and fossils.

What is an index fossil used for?