Tell whether the statement is TRUE or FALSE. T1. Light always travel in a straight line. 12. The light that strikes a thick cardboards bends and find another way to pass through it. 13. Light rays can pass all types of materials. 14. A laser is a narrow but a powerful beam of light capable of traveling long distances. 15. Ught can be reflected If it is directed towards a mirror. 16. Optical fibers are used in communication, medicine and industry. 17. When somebody faces a mirror, his reflection can be seen in a reversed manner. III. Identify what is described below. Choose the answer from the box. 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 bounding back of light as it strikes In a smooth surface Reflection Convection Refraction Conduction Radiant energy insulators Vibration Radiation
