III. Identify what is described below. Choose the answer from the box. conductors insulators radiation convection radiant energy reflection vibration refraction conduction 18. Transfer of heat from one place to another through liquid, 19. The travel of heat in solid materials. 20. Transfer of heat through empty spaces. 21. Materials that doesn't allow heat to pass through. 22. the heat we receive from the sun 23. the movement of an object back and forth 24. the bending of light as it travels from one material to another. 25. the bouncing back of light as it strikes in a smooth surface. ​