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Across 3. Something that flows from hot to cold 6. Absorb radiant energy 7. The amount of heat to raise an object 9. Material in which heat moves slower 10. Transfer of energy through collisions 11. Transfer of energy through electromagnetic waves (Heat from the Sun) 12. The average kinetic energy of particles

Down 1. The heat of a car engine by burning fuel in cylinders 2. The sum of the potential and kinetic energy 4. Study of heat created by work 5. Transfer of energy through fluids (liquids and gases) 8. Converts heat to work