Introduce and review terminology relating to nuclear energy with this engaging word search puzzle worksheet. Puzzles make great no prep activities for early finishers, bell ringers, morning work, handouts, homework, reading comprehension and lesson plan supplements, themed classrooms, sponge activities, introductions to new topics, and sub files. The 27 hidden vocabulary words are: Accident, Atom, Bombs, Chernobyl, Contamination, Core, Efficient, Electricity, Fission, Fukushima Daiichi, Fusion,