| Front | Back | 
| 
								 
								A force that acts on a rock to change its shape or volume is called _____________.									 
								 | 
							
							
								 
								Stress									 
								 | 
						
| 
								 
								Anticlinesand synclines are two types of ________________.									 
								 | 
							
							
								 
								Folds.									 
								 | 
						
| 
								 
								The point beneath Earth's surface where the crust breaks and triggers an earthquake is called the ____________.									 
								 | 
							
							
								 
								Focus									 
								 | 
						
| 
								 
								A break in the crust where slabs slip past each other is a(n) ___________.									 
								 | 
							
							
								 
								Fault									 
								 | 
						
| 
								 
								An instrument used to measure and record ground movement during an earthquake is called a(n) _____________.									 
								 | 
							
							
								 
								Seismogram									 
								 | 
						
| 
								 
								What type of fault forms when the hanging wall moves uoward past the footwall?									 
								 | 
							
							
								 
								Reverse fault									 
								 | 
						
| 
								 
								The type of stress force that produces a strike-slip fault is _____________.									 
								 | 
							
							
								 
								Shearing									 
								 | 
						
| 
								 
								An area where magma melts through the crust in the middle of a plate is called a(n) ____________.									 
								 | 
							
							
								 
								Hot spot									 
								 | 
						
| 
								 
								Inside a volcano, magma collects in a pocket called a  __________.									 
								 | 
							
							
								 
								Magma chamber									 
								 | 
						
| 
								 
								A volcano that is erupting or has shown signs that it may erupt in the future is called ________.									 
								 | 
							
							
								 
								Active									 
								 | 
						
| 
								 
								The large area of flat land that is elevated high above sea level is known as ____________.									 
								 | 
							
							
								 
								Plateau									 
								 | 
						
| 
								 
								The________________ is a rating system that estimates the total energy released by an earthquake.									 
								 | 
							
							
								 
								Moment magnitude scale									 
								 | 
						
| 
								 
								The point on Earth's surface directly above an earthquake's focus is called the  ___________.									 
								 | 
							
							
								 
								Epicenter									 
								 | 
						
| 
								 
								The molten mixture of rock forming substances, gases and water deep in earth's mantle is called ____________.									 
								 | 
							
							
								 
								Magma									 
								 | 
						
| 
								 
								The ___________________ is a belt of volcanoes around the rim of the Pacific Ocean.									 
								 | 
							
							
								 
								Ring of Fire									 
								 |