000			00748nam a2200133 a 4500
005			20150716135821.0
020			_a1-57225-357-6
245	1	0	_aAll About Earthquakes.
260	0		_bSchlessinger Media.
440			_aEarth Science for Children
520			_aThey shake the ground underfoot, causing tremors that, at their worst, can leave cracks in highways and topple buildings. But for the most part, earthquakes are constantly rumbling the Earth with a force that's barely detectable. But why do they occur? In ALL ABOUT EARTHQUAKES, children will examine the forces at work that cause earthquakes and discover the instruments that scientists use to predict and measure these earthly tremors.
650			_aAll About Earthquakes
942			_c UKN
999			_c67532 _d67532