Homework Play Outside….a lot!!!! April 11,2015 A-Day Objective: YWBAT explain the role of machines in energy conversions. Drill: In terms of energy conversions, what is the difference between an electric fan and a wind turbine? Get out your silent reading book. Homework Play Outside….a lot!!!!

In an electric fan electrical energy is converted into kinetic energy and a wind turbine kinetic energy is converted into electrical energy.

Did you know…? Recycling just one aluminum can saves enough energy to run a television set for 4 hours.

Today’s Activities Drill Classroom Quiz 4/1 Finish any unfinished work Read silently Conclusion

Name a form of energy, and relate it to kinetic or potential energy. Closure Name a form of energy, and relate it to kinetic or potential energy.

Conclusion Answer Thermal energy depends partly on the kinetic energy of the particles that make up an object. The more kinetic energy the particles have, the more thermal energy the object has.