| A | B |
|---|
| energy | ability to cuase change in matter |
| volume | loudness of a sound |
| electromagnet | iron bar with a coil wrapped around it that becomes a magnet when electric current flows through it |
| kinetic energy | energy of motion |
| lens | piece of clear material that bends, or refracts, light rays |
| electric charge | the result of a gain or loss of electrons |
| potential energy | energy an object has because of its location or its condition |
| electric circuit | path along which electrons flow |
| pitch | speed with which sound waves move |
| reflection | light bouncing off an object |
| electric current | flow of electrons |
| insulator | material that doesn't carry electrons |
| refraction | bending of light rays |
| conductor | material that allows electrons to travel easily |
| resistor | material that slows the flow of electrons |
| electric force | attraction or repulsion of electric charges |
| all the lights go out | what happens when you unscrew a light bulb in a series circuit |
| Use convex lenses | people who are farsighted |
| bouncing ball | a nonexample of a release of chemical energy |
| conduction | holding a hot handle of a pot |
| radiation | radiators in homes transfer heat by |
| forces depend on distance | electric force is like gravitational force because |
| sun | most of Earth's energy comes from |
| stretched rubber bands | elastic potential energy can be found in |
| kinetic energy | twirling a jump rope is an examle of what kind of energy |
| baseball player that is about to hit a ball | which is not an example of energy changing matter |
| potential energy | can be found in many forms |
| light and heat | electrons flowing through a light-bulb filament produce |
