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Earth Science Fall Review Crossword

Name____________________________________
Date____________Per.__________Row________
Life Science Textbook   Chapter 6 pages 172-197
Across
Theory that explains HOW continents move i
Study of the alignment of magnetic minerals in rock
Amount of this and and other gases determines whether a volcanic eruption is quiet or exploseive
Used to show distances on a map
These are caused by undersea earthquakes, landslides, and volcanic eruptions
This meridian is located 180 degrees away from the Prime Meridian
The height of lines traced on paper is a measure of the energy released during an earthquake
Area in Earth's surface just above where the poles of the imaginary magnet would be.
Another name for a composite volcano
The size and shape of land features on Earth's surface
Mount St. Helens is this type of eruption
These type of currents inside Earth might drive plate motion
Down
Outer planet is different from most other planets because it rotates on its side
Where the first motion of an earthquake occurs
Process by which new ocean lithosphere forms
Magnetic field that points south have this type of polarity
This person saw that much of the moon's surface is covered with round pits caalled craters
Sudden return of deformed rock to its undeformed shape
Produced by runny lava with low viscosity and few trapped gases
According to this scientist, about 250 million years ago, the supercontinent began breaking into smaller continents
Forms when the temperature of rock rises above its melting point
Scientists find this by comparing arrival times of P waves and S waves at several seismograph stations
Used to determine distances in degrees east and west
Used to determine distances north or south of the equator
Sedimentary rock made of rock fragments