Chapter 12

Chapter 12 Review Vocabulary Lesson1 energy work speed friction position force kinetic energy Lesson2 efficiency load simple machine Lesson3 Conductor Radiation Insulator Fossil fuel Lesson4 reflection refraction spectrum electromagnetic spectrum refract Lesson5 frequency pitch amplitude Essay Lesson 1 *Distance traveled Example: speed is 65 m/hr Travels for 3 hr. Total miles traveled=65 m/hr X 3 hr. =195 miles *How would you measure and calculate speed

*Work and when do you do work and how do you know work is being done *Property of inertia and potential energy *Different forms of energy-how can one change form Lesson2 *Using simple machines to do work Lesson5 *Parts of the ear and what is their purpose