When feldspars weather chemically, _____ are produced, which have a mica-like structure.

Quartz sandstone is changed during metamorphism into _____.

Which type of earthquakes are the most common?

Earth’s magnetic field can reverse its polarity at irregular intervals.  True or false?

The decomposition of rock from exposure to water and atmospheric gasses is called _____.

Which is not a foliated metamorphic rock?

Which of the statements is true?

An earthquake’s _____ is a measure of how it impacts people and their structures.

Folds in a rock show that the rock behaved in a _____ way.

Under what conditions will heat flow through Earth’s crust, increase?