| A | B |
|---|
| the bending of light as it passes from one type of matter into another | refraction |
| light can travel through... | space, gasses,liquids |
| space that has no matter is a... | vacuum |
| the number of times an object vibrates is its... | frequency |
| the loudness or softness of a sound is called its... | volume |
| vibrations cause | sound |
| one kind of reflected sound wave is called | echo |
| light can't pass through | opaque matter |
| the band of colors that make up white light is called the... | visible spectrum |
| a transparent object used to refract light is a ... | prism |
