Activity 1. Energy Crossword Puzzle Objective: Familiarize the words that are associated to the concept of energy. Complete the crossword puzzle below. Across: 1. The product of force and displacement is is the unit of 4. energy in SI system. 6. energy is stored due to the object's position. Down: 2. energy is associated with motion. 3. The total energy is the sum of kinetic and potential energy. 5. The ability to do work is