Show:
Plate Tectonics
Volcanoes
Earthquakes
Landforms
Fossils and Earth's Layers
100
A place where two tectonic plates meet
What is a plate boundary?
100
This type of eruption will occur when there is a lot of built up steam and gases stored in a volcano.
What is an explosive volcanic eruption?
100
A tidal wave that can occur after an earthquake.
What is a tsunami?
100
A landform that occurs when plates converge and one plate is forced downward.
What is a trench?
100
The mantle
What is the thickest part of the Earth, just below the crust?
200
Similar fossils are found on different continents.
What is one piece of Wegener's evidence?
200
The opening of a volcano.
What is a vent?
200
Occur when strong forces act on a fault line
What is an earthquake?
200
A volcano is this type of landform.
What is a mountain?
200
The crust.
What is the thinnest, outermost layer of the Earth?
300
The name of a supercontinent that existed millions of years ago.
What is Pangea?
300
Ash can block out the sunlight causing temperatures to drop.
What is a hazard of volcanoes? Why do volcanoes cause climate change?
300
The Richter Scale
What scale do we measure an earthquake's magnitude with?
300
flat areas higher than the surrounding land
What are plateaus?
300
A scale that shows ancient times at the bottom and more recent times at the top.
What is the geologic time scale?
400
About 2 cm per year
How far/fast do tectonic plates move?
400
Someone who studies volcanoes
What is a volcanologist?
400
A scale that measures the damage from an earthquake
What is the Mercalli Scale?
400
large fracture in the Earth's crust
What is a fault?
400
The remains of past life on Earth.
What are fossils?
500
broken up pieces of the Earth's crust that float on the mantle.
What are tectonic plates?
500
The part of the volcano where the magma is stored.
What is a magma chamber?
500
Ripples that occur after an earthquake. Can be felt around the world.
What are seismic waves?
500
mountains that appear when sea levels get low
What are islands?
500
Type of rock that is layered. Old layers are on bottom and newer layers are on top.
What is sedimentary rock?