Name: ____________________________________ Date: ______________ Unit 1: Waves – Study Guide 1. A wave is a repeating disturbance or movement that transfers energy through matter or space. 2. Matter is any substance that has mass or _______________________________. 3. There are two types of waves. One type is ___________ and the other type is ___________. 4. A wave happens when a _________ produces a _______________. 5. Draw a picture of each wave type: Transverse Wave: Compressional/longitudinal wave: Label the following wave parts: A. Amplitude B. Compression C. Trough D. Crest E. Rarefaction F. Wavelength 6. __________________ refers to the number of wavelengths in a wave per second. _______ frequency is a fast waver and _______ frequency is a slower wave. 7. Two examples of matter are _______ and ________. Two non-examples of matter are _________ and ________. 8. A medium is _________________________________________________. Example: The medium for a seismic (earthquake) wave is _______________. 9. An ________________ wave does not require a medium, but a ____________ wave does. Sound travels as a _____________ wave. Sound travels from the source to the ear through the ______, which is its medium. Changing the _____________ of a sound wave will change its pitch. Changing the ______________ of a sound wave will change its volume (loudness). Light travels as a ______________ wave. We cannot see all light waves. The ones we can see are within the ___________ spectrum. Changing the ____________ of a light wave will change its color. Changing the ____________ of a light wave will change its brightness. 10. Refraction is the ____________ of a wave as it passes from onedoes ____________ to another. Light not require a medium, so it is a Sound requires a medium, so it is a __________ ________ wave. wave. 11. The sun sends out lots of different types of waves. All of these waves together make up the _________________ spectrum. Our eyes can only see certain wavelengths. The electromagnetic waves that our eyes can see are called the __________ spectrum. Sound requires a medium, so it is a __________ 12. The colors of the visible spectrum (in order) are: wave. _______________________________________________________________________________. 13. White objects ______________ all colors of the rainbow. 14. Black objects ______________ all colors of the rainbow. 15. A lemon ___________ the color ___________, while it _____________ all of the other colors. 16. A prism breaks ______ light into the various colors of the visible spectrum by ____________ the light.