Examlex
The average geothermal gradient near Earth's surface is:
Ampere-Turns
A basic unit for measurement of magnetism. The product of number of turns of wire times current flow.
Electromagnet
A type of magnet in which the magnetic field is produced by an electric current, typically wrapping a wire around a ferromagnetic core, which can be turned on and off with the current.
Proportional
A relationship between two quantities where a change in one results in a corresponding change in the other, often depicted mathematically by a constant ratio.
Compass Needle
A magnetized pointer free to align itself with Earth's magnetic field, used for navigation.
Q11: What is a metamorphic zone?
Q11: What is the most important step that
Q12: Pahoehoe is lava erupted by Hawaiian volcanoes
Q15: Rocks such as limestone and granite cannot
Q16: A very large cave or system of
Q33: The Mississippi River is an example of
Q34: Briefly explain how the geological conditions that
Q63: The primary occurrence of the rock-forming minerals
Q71: Mantle plumes are found primarily at:<br>A)divergent plate
Q84: Hydrocarbons can be widespread in sedimentary rock,but