Is It or Not? Vehicles [phone-friendly version]

This activity is about definitions and counterexamples. When can you rely on your concept image, and when do you need your concept definition? And how good of a definition of "vehicle" do you have, anyway? Find out as you answer "Is It or Not?" to a wide range of examples. Image Credits: dump truck: Greg Gjerdingen, salad: Julie Corsi, airplane: Yasuhiro Chatani, tricycle: Emma Forsberg, skateboard: Yuri Levchenko, path: David Howard, elevators: Sancho McCann, horse: isamiga76, bus: Don O'Brien, apple conveyor belt: Watershed Post, boat: kyanmadv, tow truck: ThoseGuys119. All via flickr.com. All licensed CC-BY.

By Christopher Danielson