Chapter F3 Vocabulary
Page F58 First 11 Words
1. energy – the ability to cause changes in matter
2. kinetic energy – the energy of motion, or energy in use
3. potential energy – the energy an object has because of its place or its condition
4. electric charge – the charge obtained by an object when it gains or loses electrons
5. electric force – the attraction or repulsion of objects due to their charges
6. electric current – the flow of electrons from negatively charged objects to positively charges objects
7. conductor – a material that conducts electrons easily
8. electric circuit – the path along which electrons can flow
9. insulator – a material that does not carry electrons
10. resistor – a material that resists the flow of electrons in some way
11. electromagnet – a temporary magnet made by passing electric current through a wire coiled around an iron bar
Chapter F3 Vocabulary
Page F58 Last 10 Words
1. reflection – the light energy that bounces off objects
2. refraction – the bending of light rays when they pass through a substance
3. lens – a piece of clear material that bends, or refracts, light rays passing through it
4. pitch – an element of sound determined by the speed at which sound waves move
5. volume – the loudness of a sound
6. temperature – the average kinetic energy of all the molecules in an object
7. heat – the transfer of thermal energy from one substance to another
8. conduction – the direct transfer of heat between objects that touch
9. convection – the transfer of heat as a result of the mixing of a liquid or gas
10. radiation – the transfer of thermal energy by electromagnetic waves