| A | B |
|---|
| Speed of Sound | The speed at which a sound wave travel through a given material. |
| Solar Energy | The energy given off by the sun. |
| Refraction | The bending of a light when it moves from one kind of matter to another. |
| Amplitude | The greatest distance that a wave rises from it's rest, or calm, position. |
| Echo | A sound reflection. |
| Sound | A series of vibrations that you can hear. |
| Absorption | The stopping of a light when it hits a wall or another opaque object. |
| Wavelength | The distance in a straight line from one place on a wave ripple to the same place on the next ripple. |
| Sonic Boom | A shock wave of compressed sound waves produced by any object moving faster than sound. |
| Loudness | A measure of the amount of sound energy reaching your ear. |
| Prism | A solid object that bends light. |
| Compression | The part of a sound wave in which air is pushed together. |
| Reflection | The bouncing of light off an object. |
| Sound Wave | A moving pattern of high and low pressure that you can hear. |
| Opaque | Describes an object that absorbs all light. |
| Pitch | A measure of how high or low a sound is. |
