Seismographs record earthquakes. They record vibrations in the Earth, and they can detect both large and small earthquakes. Seismographs working together can also pinpoint the location of an earthquake. More »

The Chinese seismograph was an instrument developed in 132 A.D. by the Chinese philosopher Chang Hêng to detect earthquakes and determine the direction from which they came. It was a brass instrument decorated with eight... More »

www.reference.com Science Earth Science Earthquakes

A seismograph has two basic parts; an outer case that moves with the undulations of the earth, and an inner core that remains stable and records the earth's movements. Some seismographs are manual, but most now record th... More »

A seismogram is a visual record that is created by a seismograph. A seismograph is a piece of equipment that records earthquake movements. These two items go hand in hand and are essential for the study of earthquakes. More »

With adult supervision, kids can make a homemade seismograph with a few arts and crafts materials. Before beginning, gather together a cardboard box, a plastic cup, some clay, some string, some small rocks, a piece of pa... More »

www.reference.com Science Earth Science Earthquakes

The Chinese seismograph was an instrument developed in 132 A.D. by the Chinese philosopher Chang Hêng to detect earthquakes and determine the direction from which they came. It was a brass instrument decorated with eight... More »

www.reference.com Science Earth Science Earthquakes

A seismograph has two basic parts; an outer case that moves with the undulations of the earth, and an inner core that remains stable and records the earth's movements. Some seismographs are manual, but most now record th... More »