Your body goes through lots of changes after having your baby. These changes help your body recover from pregnancy and help you get ready to care for your new baby. Itâs normal to feel some discomfort, like soreness and fatigue, as your body heals after giving birth. However, other discomforts and health problems may be a sign that you need medical care.
A road broken by an earthquake. The definition of an earthquake is the release of sudden and extreme energy that is caused by shifting in the Earth's crust. Facts About Earthquakes. A seismometer is used to record and measure the strength of an earthquake. The Mercalli scale is used to measure the earthquake. Anything seven or above is considered extremely dangerous. Earthquakes usually occur along fault lines, or cracks that occur within the Earthâs crust.
earthquake: the shaking that results from the movement of rock beneath Earth's surface: stress: a force that acts on a rock to change its shape or volume: shearing: stess that pushes a mass of rock in opposite direction: tension: stress that stretches rock so that it becomes thinner in the middle: compression: stress that squeezes rock unitl it folds and breaks