Force and Motion Vocabulary Unit Words: force, motion, speed, acceleration, velocity, inertia, gravity, friction**Now includes a PowerPoint presentation!**Check out my Physical Science Vocabulary Unit BUNDLE! ****3 complete units for the price of 2!!!!****This unit is intended to introduce students to tier 3, domain-specific vocabulary words, give opportunities to practice identifying and using them, as well as assess word meaning. Students can also dig deeper into the meaning of each word when