Homework Saturday, April 14, 2018 Play Outside!! Objective: YWBAT analyze engineering technologies developed to mitigate the effects of natural hazards. Drill: Why do strong earthquakes occur where there have not been many recent earthquakes? (Think about what gradually happens to rock before an earthquake occurs.) Homework Play Outside!!

Answer Strong earthquakes occur because a great deal of elastic deformation builds up along the faults where rock has not moved for awhile. The more deformation, the more energy the rock releases when it finally slips along the fault.

Did you know…? Many scientists think part of the moon was once part of the Earth. It is thought that when the Earth was almost entirely molten, A Mars-sized object collided with the Earth, knocking part of Earth’s mantle. The mantle material and material from the impacting body began orbiting the Earth. Eventually, the orbiting material joined to form the moon.

Today’s Activities Drill Drill Sheet Quiz Budburst Conclusion

Closure What is a phenophase?

Conclusion Answer An observable stage or phase in the annual life cycle of a plant or animal that can be defined by a start and end point