Continents and Plates
The number of large land masses on Earth
What is 7?
Another name for Molten Rock at the edge of the Earth's surface
What is lava?
Earthquakes generally happen at a ______ boundary
What is a plate boundary?
A chain or line of Mountains
What is a Mountain Range?
Name the 3 stages of the rock cycle
What are Metamorphic, Igneous, and Sedimentary?
List the continents
What are North America, South America, Asia, Europe, Africa, Australia, and Antarctica.
This is the name for a volcano formed but an explosive eruption
What is a caldera?
This is a shockwave that runs underground outward from the focus of an earthquake
What is a Seismic Wave?
What are fossils?
This rock is formed by sand, mud, and other settled debris that has hardened.
What is sedimentary?
Cracks in the Earth caused by movement of its plates.
What are Fault Lines?
This is a narrow slit volcano
What is a Fissure Volcano?
Scientists use this scale to measure the intensity of earthquakes
What is the Richter scale?
Mountains are formed by both construction and _______
What is destruction?
This is the name of the process of extracting metal from ore
What is smelting?
This layer on the Earth is the reason the plates are able to move around.
What is a layer of magma?
This is the type of ridge that forms by spreading sideways under water and allows magma to bulge along the ridge.
What is a Spreading Ridge?
This is a sudden release of built up energy caused by sliding plates.
What is an earthquake?
Name 2 of the four main factors that contribute to mountain formation
What are Volcanoes, Earthquakes, Continental Collisions, and Weathering?
Name something that can dissolve rock
What is acidic water?
Name one of the ways a Geologist can track continental drift.
What are lasers or satellites?
An area where one plate slips under another, forming deep trenches and volcanoes
What is a Subduction Zone?
These are the names of shocks that come BEFORE and AFTER earthquakes
What are Foreshocks and Aftershocks?
Name one of the 2 main mountain ranges that scientists know or some of the newest ranges
What are the Alps and the Himalayans?
Describe the difference between a rock, a gem, and ore
Gem- a mineral or organic stone that is chosen to be cut, polished, used in jewelry
Ore- A mineral that you can extract useful substance from (like metal)