Energy Conversions Energy Conversion What does a Bunsen burner, Key concept: Energy Conversion Pages 132-137 What does a Bunsen burner, Plant life, a pendulum, food and electric lights all have in common?
Greatest Potential Energy Greatest Kinetic Energy Potential to Kinetic Page 132 Greatest Kinetic Energy
be converted to thermal energy resulting in kinetic energy Chemical Conversions pages 133-134 Chemical to Thermal to Kinetic Chemical energy from food will be converted to thermal energy resulting in kinetic energy
Energy Conversion in Plants Page 134 Light energy To Chemical energy
Electrical to Thermal Energy pages 135 Electrical energy turns a motor and heats wires inside the hair dryer. The motor turns a fan which blows the warm air out of the dryer
Energy Conversion Examples Table 1 Some Conversions of Electrical Energy Alarm clock Battery Light bulb Blender Electrical energy → Light energy & Sound energy Chemical energy → Electrical energy Electrical energy → Light energy & Thermal energy Electrical energy → Kinetic energy & Sound energy Solutions on table from page 135.
How many energy conversions can you identify here?
Machines can convert energy into more useful forms pages 136-137 Mechanical energy Transfers to electrical energy which transfers to Light energy.
Energy Transformations
Common Assessment Directions: There are 44 questions on the common assessment Bring 2 #2 pencils Use the “I can” study guide to study Also use your Chapter 1 and Chapter 2 tests. Use your Chapter 5, section 1 and 2 power point notes