Across
- 2. An ____________, on the other hand, happens when a large amount of snow or ice falls.
- 6. ____________ is the overall size of the earthquake.
- 8. ____________ is the resistance of motion when one object rubs against another.
- 9. Hurricanes form over ____________ ocean water because when warm, moist air over the ocean rises, it is replaced by cooler air.
- 10. Devices like ____________ and seismographs collect data to help scientists and engineers.
- 11. The ____________ of a hurricane is at the very center of the storm.
- 12. A ____________ is a tropical storm with winds that can blow from 74 to 157 miles per hour.
- 13. Scientists have tried predicting earthquakes but have had ________ success.
Down
- 1. An _____________ is anything that naturally changes the way the Earth looks.
- 3. A ____________ occurs when a mass of earth or rock falls.
- 4. Since lava has a high viscosity, scientists have time to warn people to ____________.
- 5. ____________ is a fluid’s resistance to flow.
- 7. An ____________ is a release of tension between tectonic plates that creates seismic waves.