Show:
Volcanoes
Earthquakes
Rocks
Mountains
Grab Bag
100
This Washington State mountain blew its top in one big blast.
What is Mt. St. Helens?
100
Most earthquakes happen here.
What are the plates?
100
This is the kind of rock that forms when heat, pressure, and time change its shape, color, and texture.
What is metamorphic rock?
100
The tallest mountain in the world is...
What is Mt. Everest?
100
Limestone is formed from these fossils.
What are seashells?
200
This is the molten rock that is beneath Earth's surface.
What is magma?
200
This scale measures the magnitude of an earthquake.
What is the Richter Scale?
200
This rock forms when sand, pebbles, animals, and plants are layered.
What is sedimentary rock?
200
Mountains that are pushed up between two plates form this type of mountain.
What is a fold mountain?
200
Fossils help us know about...
What is life in the past?
300
Once magma makes it the surface of the Earth is becomes this.
What is lava?
300
This is the name of the place where an earthquake happens underneath the Earth's surface.
What is the focus?
300
This rock forms during volcanic activity.
What is igneous rock?
300
Volcanic mountains that throw out small bits of lava and form steep sides are...
What are cinder cones?
300
This thick ice moves across the land and scrapes, polishes, and carries rock as it goes.
What is a glacier?
400
This mountain buried the city of Pompeii in 79 A.D.
What is Mt. Vesuvius?
400
Some earthquakes happen on the ocean floor and cause this kind of wave.
What is a tsunami?
400
An igneous rock that forms underground is known as this.
What is intrusive igneous rock?
400
This young North American mountain range runs from Canada all the way to New Mexico.
What is the Rocky Mountain Range.
400
These tracks can be found in sandstone.
What are reptile tracks?
500
The San Francisco Peaks are this kind of volcano.
What is composite?
500
In 1906 this American city was nearly destroyed by an earthquake.
What is San Francisco?
500
Limestone+time+pressure=
What is marble?
500
The Hawaiian Islands are this kind of volcano.
What ia a shield volcano?
500
When ice or tree roots break rock we call it...
What is erosion?