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Science 1
Science 2
Science 3
Science 4
Science 5
100
This is the most common cause of an earthquake
What is faulting
100
This is the instrument that detects and measures seismic waves
What is a seismograph
100
This is where you find most of the earthquake and volcano zones
What is plate boundaries
100
This is the underground point of origin of an earthquake
What is the focus
100
These seismic waves cannot travel through liquids
What are S waves
200
These are scientist who study earthquakes
What is a seismologist
200
These waves cause the most damage during an earthquake
What are L waves
200
This is the zone that circles the Pacific Ocean
What is the Ring of Fire
200
This is the most common natural gas
What is methane
200
Contour plowing, terracing and windbreaks are all used to prevent this
What is erosion
300
This scale measures the strength of an earthquake
What is the Richter Scale
300
These minerals are rock deposits that can be mined for profit
What are ores
300
This process uses water to wash away the nutrients needed by plants
What is erosion
300
This is plowing the land across a slope rather than up and down the slope
What is contour plowing
300
These are naturally occurring substances found in soil or rocks
What are minerals
400
This is a great wave caused by an earthquake on the ocean floor
What is a tsunamis
400
This is the process by which salt is removed from water
What is desalination
400
This is planting of alternate crops on the same land each year
What is crop rotation
400
This is a substance made of two or more metals
What is an alloy
400
This is watering dry regions
What is irrigation
500
This point on the Earth's surface is directly above an earthquake's point of origin
What is the epicenter
500
Minerals are an example of this type of resource
What is non-renewable
500
This is the rich upper layer of soil that crops need to grow
What is topsoil
500
This method of farming uses a slope that is plowed into a series of level steps for planting
What is terracing
500
These are resources that can be replaced by nature
What is renewable