Earth's+Crust+13

​** Earthquakes ( ******Mr. Terry Scianece 7****** ) Jasmin Richard and Olivia Wile. ** = = =Vocabulary=
 * **Magnitude.**
 * **Richter scale.**
 * **Aftershocks.**
 * **Seismic Waves.**
 * **Seismologist.**


 * Questions **

4. How long can an erathquake last.? 5. How long do you have to wait to go back to your homes after an erathquake?** 8. What can you do to prevent being in an earthquake? 9.** **What can an earthquake distroy?**
 * 1. What makes an earthquake?**
 * 2. How are Earthquakes magnitude measured?**
 * 3. Witch earthquake is the worest, Secondary or Primary?
 * 6**. **How many earthquakes can be going on at the same time?**
 * 7**. **How bad can an Earthquake be?
 * 10. Would it be possibal to feel the earthquake from across the world to here, Canada?**

Earthquakes
2. They measure the magnitude by using a divic called the "Richard scale"! 3. That would be p waves or primary waves. 4. An earthquake can last as long and two days. 5. Nobody really knows when it is completly safe to go back to there homes because all they know there could be another earthquake so they would have to be ready to evacquate there homes at any time or place. 6. There can be many Earthquakes at a time but it is very rare to have more than two Earthquakes an the same time. 7. Some of the Earthquakes can get verry bad but some can be very fast and harmless so it all depends and the Earthquake. 8. Well you could move to a very safe place with no worrys of being in an Earthquake. 9. An Earthquake can distroy many things it can even take peoples lives like the Eatrhquake in hati. 10. Yes but in the centre of the earth there is a big ball called the centre of the earth and the Earthquake can NOT go throught it but can easly go beside it.**
 * 1. The way a earthquake starts is two under ground plates crash into each other and makes the world, or where the plates crash is where the earth shakes.