Science vocabulary worksheet for Science Word Search Waves and their application. Science standard 2.PS4. Great way to introduce printed word for students to use and sound out the letters as they are searching for the spelling of the word. Great for introducing a chapter or a unit. Use as a bell ringer, morning work, or in a study guide packet. Use in a substitute packet too. Science words include distance, travel, light, vibrate, cause, effect, waves, motion, and sound.